JP4932155B2 - 鍵送信時の改ざん保護 - Google Patents
鍵送信時の改ざん保護 Download PDFInfo
- Publication number
- JP4932155B2 JP4932155B2 JP2004514266A JP2004514266A JP4932155B2 JP 4932155 B2 JP4932155 B2 JP 4932155B2 JP 2004514266 A JP2004514266 A JP 2004514266A JP 2004514266 A JP2004514266 A JP 2004514266A JP 4932155 B2 JP4932155 B2 JP 4932155B2
- Authority
- JP
- Japan
- Prior art keywords
- control flag
- key
- signal
- transport
- scrambled
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 claims description 12
- 230000008859 change Effects 0.000 description 7
- 238000012544 monitoring process Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000013480 data collection Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/10—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols with particular housing, physical features or manual controls
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/418—External card to be used in combination with the client device, e.g. for conditional access
- H04N21/4181—External card to be used in combination with the client device, e.g. for conditional access for conditional access
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4405—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video stream decryption
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4408—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video stream encryption, e.g. re-encrypting a decrypted video stream for redistribution in a home network
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
- H04N21/4424—Monitoring of the internal components or processes of the client device, e.g. CPU or memory load, processing speed, timer, counter or percentage of the hard disk space used
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/85—Assembly of content; Generation of multimedia applications
- H04N21/854—Content authoring
- H04N21/8547—Content authoring involving timestamps for synchronizing content
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/162—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
- H04N7/163—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing by receiver means only
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
- H04N7/1675—Providing digital key or authorisation information for generation or regeneration of the scrambling sequence
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Theoretical Computer Science (AREA)
- Databases & Information Systems (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Description
Claims (4)
- セキュリティモジュールのデジタル出力信号を保護する方法であって、
(a)前記セキュリティモジュールにより、少なくとも1つのトランスポートスクランブル制御フラグを含むスクランブルされたデジタル信号を、前記セキュリティモジュール外部のソースから受信するステップと、
(b)前記セキュリティモジュールにより、前記スクランブルされたデジタル信号から、前記トランスポートスクランブル制御フラグを読み、当該トランスポートスクランブル制御フラグに含まれる鍵識別データに応じて、デスクランブル用の鍵を特定するステップと、
(c)前記セキュリティモジュールにより、前記デスクランブル用の鍵を用いて、前記受信したスクランブルされた信号をデスクランブルして、デスクランブルされた信号を生成するステップと、
(d)前記セキュリティモジュールにより、前記デスクランブルされた信号に含まれる前記トランスポートスクランブル制御フラグを第2のトランスポートスクランブル制御フラグに変更するステップと、
(e)前記セキュリティモジュールにより、前記デスクランブルされた信号から、前記第2のトランスポートスクランブル制御フラグを読み、当該第2のトランスポートスクランブル制御フラグに含まれる鍵識別データに応じて、スクランブル用の鍵を特定するステップと、
(f)前記セキュリティモジュールにより、前記デスクランブルされた信号を、前記スクランブル用の鍵を用いてスクランブルして、再スクランブルされた信号を生成するステップと、
(g)前記セキュリティモジュールにより、前記再スクランブルされた信号から、前記第2のトランスポートスクランブル制御フラグを読み、当該第2のトランスポートスクランブル制御フラグが前記ステップ(d)で変更された第2のトランスポートスクランブル制御フラグと一致していることを確認するステップと
を含むことを特徴とする方法。 - 請求項1記載の方法であって、
(h)前記セキュリティモジュールにより、前記再スクランブルされた信号を前記外部ソースに供給するステップ
をさらに含むことを特徴とする方法。 - 請求項1記載の方法であって、前記ステップ(b)は、前記セキュリティモジュールにより、前記スクランブルされたデジタル信号のヘッダ部から前記トランスポートスクランブル制御フラグを読むことを含むことを特徴とする方法。
- ホスト装置と、前記ホスト装置に結合されたセキュリティ装置とを有する限定受信システムであって、
前記セキュリティ装置は、
前記ホスト装置から前記セキュリティ装置に送信されるスクランブルされたデジタル信号から、当該スクランブルされたデジタル信号に含まれる少なくとも1つのトランスポートスクランブル制御フラグを読み、当該トランスポートスクランブル制御フラグに含まれる鍵識別データに応じて、デスクランブル用の鍵を特定する第1のトランスポートスクランブル制御フラグリーダ回路と、
前記デスクランブル用の鍵を用いて、前記受信したスクランブルされた信号をデスクランブルして、デスクランブルされた信号を生成するデスクランブラと、
前記デスクランブルされた信号に含まれる前記トランスポートスクランブル制御フラグを第2のトランスポートスクランブル制御フラグに変更するトランスポートスクランブル制御フラグ変更回路と、
前記デスクランブルされた信号から、前記第2のトランスポートスクランブル制御フラグを読み、当該第2のトランスポートスクランブル制御フラグに含まれる鍵識別データに応じて、スクランブル用の鍵を特定する第2のトランスポートスクランブル制御フラグリーダ回路と、
前記デスクランブルされた信号を、前記スクランブル用の鍵を用いてスクランブルして、再スクランブルされた信号を生成するリスクランブラと、
前記再スクランブルされた信号から、前記第2のトランスポートスクランブル制御フラグを読み、当該第2のトランスポートスクランブル制御フラグが前記トランスポートスクランブル制御フラグ変更回路で変更された第2のトランスポートスクランブル制御フラグと一致していることを確認するマイクロプロセッサと
を含むことを特徴とする限定受信システム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US38219802P | 2002-05-21 | 2002-05-21 | |
US60/382,198 | 2002-05-21 | ||
PCT/US2003/014645 WO2003107586A1 (en) | 2002-05-21 | 2003-05-09 | Key transport tamper protection |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005527170A JP2005527170A (ja) | 2005-09-08 |
JP4932155B2 true JP4932155B2 (ja) | 2012-05-16 |
Family
ID=29736078
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004514266A Expired - Lifetime JP4932155B2 (ja) | 2002-05-21 | 2003-05-09 | 鍵送信時の改ざん保護 |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP1512076B1 (ja) |
JP (1) | JP4932155B2 (ja) |
KR (1) | KR100986236B1 (ja) |
CN (1) | CN1656734B (ja) |
AU (1) | AU2003243217A1 (ja) |
MX (1) | MXPA04011537A (ja) |
WO (1) | WO2003107586A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2933564A1 (fr) * | 2008-07-02 | 2010-01-08 | Thomson Licensing | Procede d'embrouillage et desembrouillage pour le transport de flux de donnees audio video mpeg2 |
PL2884748T3 (pl) | 2013-12-11 | 2017-05-31 | Squadeo S.A.S. | Aparat i sposób dekodowania skompresowanego wideo |
EP3259923B1 (en) * | 2015-02-17 | 2023-11-22 | SmarDTV S.A. | A system for secure re-distribution of conditional access content within a hospitality network |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0922352A (ja) * | 1995-07-07 | 1997-01-21 | Mitsubishi Electric Corp | 著作権管理装置 |
JPH1079730A (ja) * | 1996-09-03 | 1998-03-24 | Digital Vision Lab:Kk | 復号化装置 |
WO1999030499A1 (en) * | 1997-12-10 | 1999-06-17 | Thomson Consumer Electronics, Inc. | Method for protecting the audio/visual data across the nrss inte rface |
JPH11313282A (ja) * | 1998-04-30 | 1999-11-09 | Sanyo Electric Co Ltd | ディジタル記録/再生システム |
JP2000100067A (ja) * | 1998-09-25 | 2000-04-07 | Sony Corp | ディジタル信号の伝送装置、ディジタル信号の伝送方法、ディジタル信号の記録媒体 |
JP2001136507A (ja) * | 1999-11-05 | 2001-05-18 | Sony Corp | データ処理装置およびデータ処理方法、並びに記録媒体 |
JP2001189921A (ja) * | 1999-12-28 | 2001-07-10 | Matsushita Electric Ind Co Ltd | 限定受信システム |
JP2001292432A (ja) * | 2000-04-05 | 2001-10-19 | Mitsubishi Electric Corp | 限定受信制御方式 |
JP2002281016A (ja) * | 2001-03-19 | 2002-09-27 | Toshiba Corp | 暗号化復号装置及び暗号方式変更方法 |
JP2003276457A (ja) * | 2002-03-25 | 2003-09-30 | Nifco Inc | 燃料タンク用コネクタ |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61139176A (ja) * | 1984-12-10 | 1986-06-26 | Pioneer Electronic Corp | Catvの視聴制御装置 |
US5933500A (en) * | 1996-05-31 | 1999-08-03 | Thomson Consumer Electronics, Inc. | Adaptive decoding system for processing encrypted and non-encrypted broadcast, cable or satellite video data |
FR2755809B1 (fr) * | 1996-11-13 | 1999-05-28 | Thomson Multimedia Sa | Procede de protection d'information transmise d'un element de securite vers un decodeur et systeme de protection utilisant un tel procede |
EP0912052A1 (en) * | 1997-09-25 | 1999-04-28 | CANAL+ Société Anonyme | Method and apparatus for recording of encrypted digital data |
US6223285B1 (en) * | 1997-10-24 | 2001-04-24 | Sony Corporation Of Japan | Method and system for transferring information using an encryption mode indicator |
US6385727B1 (en) * | 1998-09-25 | 2002-05-07 | Hughes Electronics Corporation | Apparatus for providing a secure processing environment |
KR100605825B1 (ko) * | 1999-09-14 | 2006-07-31 | 삼성전자주식회사 | 하드 디스크 드라이브를 구비하는 방송 수신 시스템의 복사 방지장치 및 방법 |
WO2001037562A1 (en) * | 1999-11-19 | 2001-05-25 | Scm Microsystems Gmbh | Adaptive trans-scrambling mechanism for digital television multiple data transport system |
FR2801464B1 (fr) * | 1999-11-22 | 2001-12-28 | Thomson Multimedia Sa | Procede d'enregistrement d'un flux mpeg embrouille |
KR100817653B1 (ko) * | 2000-04-17 | 2008-03-27 | 나그라비젼 에스에이 | 보안 데이터 전송 시스템 및 방법 |
-
2003
- 2003-05-09 JP JP2004514266A patent/JP4932155B2/ja not_active Expired - Lifetime
- 2003-05-09 AU AU2003243217A patent/AU2003243217A1/en not_active Abandoned
- 2003-05-09 KR KR1020047018757A patent/KR100986236B1/ko active IP Right Grant
- 2003-05-09 WO PCT/US2003/014645 patent/WO2003107586A1/en active Application Filing
- 2003-05-09 EP EP03760209.1A patent/EP1512076B1/en not_active Expired - Lifetime
- 2003-05-09 CN CN038114674A patent/CN1656734B/zh not_active Expired - Lifetime
- 2003-05-09 MX MXPA04011537A patent/MXPA04011537A/es active IP Right Grant
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0922352A (ja) * | 1995-07-07 | 1997-01-21 | Mitsubishi Electric Corp | 著作権管理装置 |
JPH1079730A (ja) * | 1996-09-03 | 1998-03-24 | Digital Vision Lab:Kk | 復号化装置 |
WO1999030499A1 (en) * | 1997-12-10 | 1999-06-17 | Thomson Consumer Electronics, Inc. | Method for protecting the audio/visual data across the nrss inte rface |
JPH11313282A (ja) * | 1998-04-30 | 1999-11-09 | Sanyo Electric Co Ltd | ディジタル記録/再生システム |
JP2000100067A (ja) * | 1998-09-25 | 2000-04-07 | Sony Corp | ディジタル信号の伝送装置、ディジタル信号の伝送方法、ディジタル信号の記録媒体 |
JP2001136507A (ja) * | 1999-11-05 | 2001-05-18 | Sony Corp | データ処理装置およびデータ処理方法、並びに記録媒体 |
JP2001189921A (ja) * | 1999-12-28 | 2001-07-10 | Matsushita Electric Ind Co Ltd | 限定受信システム |
JP2001292432A (ja) * | 2000-04-05 | 2001-10-19 | Mitsubishi Electric Corp | 限定受信制御方式 |
JP2002281016A (ja) * | 2001-03-19 | 2002-09-27 | Toshiba Corp | 暗号化復号装置及び暗号方式変更方法 |
JP2003276457A (ja) * | 2002-03-25 | 2003-09-30 | Nifco Inc | 燃料タンク用コネクタ |
Also Published As
Publication number | Publication date |
---|---|
KR20050004174A (ko) | 2005-01-12 |
EP1512076A1 (en) | 2005-03-09 |
WO2003107586A1 (en) | 2003-12-24 |
JP2005527170A (ja) | 2005-09-08 |
EP1512076A4 (en) | 2010-10-20 |
KR100986236B1 (ko) | 2010-10-07 |
EP1512076B1 (en) | 2020-04-01 |
AU2003243217A1 (en) | 2003-12-31 |
CN1656734A (zh) | 2005-08-17 |
MXPA04011537A (es) | 2005-02-14 |
CN1656734B (zh) | 2011-02-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR101081160B1 (ko) | 데이터 전송을 보호하기 위한 방법 및 장치 | |
US9467658B2 (en) | Method and apparatus for protecting the transfer of data | |
JP4716866B2 (ja) | デジタルコンテンツの転送を保護するためのメカニズム | |
EP1169856B1 (en) | A global copy protection system for digital home networks | |
US7590242B2 (en) | Selective multimedia data encryption | |
US20020170054A1 (en) | Mechanism of matching between a receiver and a security module | |
US20070116294A1 (en) | Cryptographic key distribution system and method for digital video systems | |
AU3529799A (en) | Mechanism for matching a receiver with a security module | |
JP2003504974A (ja) | 送信された情報をコピー保護するシステム及び方法 | |
US7469420B2 (en) | Key transport tamper protection | |
JP4932155B2 (ja) | 鍵送信時の改ざん保護 | |
CN100440884C (zh) | 本地数字网络、安装新设备的方法及数据广播和接收方法 | |
TWI510045B (zh) | 一種保護方法及用於執行這種保護方法的解密方法、記錄媒體與終端 | |
EP1563637B1 (en) | Mechanism for protecting the transfer of digital content | |
KR100850946B1 (ko) | 제한 수신 장치 및 그 방법 | |
JP2007036380A (ja) | 受信装置、casモジュール、配信方法 | |
WO2020109623A1 (en) | Secured transmission of content |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20060420 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20091013 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20100108 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20100118 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20100412 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20101214 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20110311 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20110318 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20110614 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20111004 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20111228 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20120124 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20120215 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 4932155 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20150224 Year of fee payment: 3 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313113 |
|
S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
R371 | Transfer withdrawn |
Free format text: JAPANESE INTERMEDIATE CODE: R371 |
|
R371 | Transfer withdrawn |
Free format text: JAPANESE INTERMEDIATE CODE: R371 |
|
S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313113 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
EXPY | Cancellation because of completion of term |