JP5575624B2 - 照明ユニット及び照明装置 - Google Patents
照明ユニット及び照明装置 Download PDFInfo
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- JP5575624B2 JP5575624B2 JP2010271362A JP2010271362A JP5575624B2 JP 5575624 B2 JP5575624 B2 JP 5575624B2 JP 2010271362 A JP2010271362 A JP 2010271362A JP 2010271362 A JP2010271362 A JP 2010271362A JP 5575624 B2 JP5575624 B2 JP 5575624B2
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- Prior art keywords
- circuit board
- heat
- lighting
- lighting unit
- light emitting
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- 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.)
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- 238000005286 illumination Methods 0.000 claims description 70
- 229920005989 resin Polymers 0.000 claims description 20
- 239000011347 resin Substances 0.000 claims description 20
- 230000017525 heat dissipation Effects 0.000 claims description 16
- 239000011248 coating agent Substances 0.000 description 32
- 238000000576 coating method Methods 0.000 description 32
- 229910052751 metal Inorganic materials 0.000 description 31
- 239000002184 metal Substances 0.000 description 31
- 239000000758 substrate Substances 0.000 description 25
- 230000005855 radiation Effects 0.000 description 16
- 239000010410 layer Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 3
- 230000020169 heat generation Effects 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/40—Forming printed elements for providing electric connections to or between printed circuits
- H05K3/4038—Through-connections; Vertical interconnect access [VIA] connections
- H05K3/4046—Through-connections; Vertical interconnect access [VIA] connections using auxiliary conductive elements, e.g. metallic spheres, eyelets, pieces of wire
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
- F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
- F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
- F21K9/238—Arrangement or mounting of circuit elements integrated in the light source
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
- F21V23/004—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array arranged on a substrate, e.g. a printed circuit board
- F21V23/005—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array arranged on a substrate, e.g. a printed circuit board the substrate is supporting also the light source
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2105/00—Planar light sources
- F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0274—Optical details, e.g. printed circuits comprising integral optical means
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/18—Printed circuits structurally associated with non-printed electric components
- H05K1/181—Printed circuits structurally associated with non-printed electric components associated with surface mounted components
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/09—Shape and layout
- H05K2201/09009—Substrate related
- H05K2201/09027—Non-rectangular flat PCB, e.g. circular
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10007—Types of components
- H05K2201/10106—Light emitting diode [LED]
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10227—Other objects, e.g. metallic pieces
- H05K2201/10295—Metallic connector elements partly mounted in a hole of the PCB
- H05K2201/10303—Pin-in-hole mounted pins
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/22—Secondary treatment of printed circuits
- H05K3/28—Applying non-metallic protective coatings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Manufacturing & Machinery (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Description
回路基板自体が放熱板としての働きをなすことから、放熱効率を従来の構成に比べて格段に高める効果を得る。
[照明ユニットの構成の説明]図1
以下、本発明を実施する第1実施例を、図1を用いて説明する。図1は、ソケット取付面側から見た、第1実施例の照明ユニット10の斜視図である。
[照明ユニット10の内部構成の説明]図2−図3
次に、図2と図3を用いて、照明ユニット10の内部構成について説明する。図2は、図1のA−A断面図であり、図3は、図2に示す照明ユニット10を下面側から見た斜視図である。
[照明ユニットと従来の照明ユニットとの対比]図1―図2、図8
次に、本実施例の照明ユニット10(図1、図2)と、従来の照明ユニット100(図8)とを対比して、本実施例の構成を実施した場合の作用について説明する。
[照明装置の構成の説明]図4
次に、照明ユニット10をランプソケットに取付けた状態の照明装置について図4を用いて説明する。図4は、照明ユニット10をランプソケットに取付けた状態を示した要部の断面図を示している。
定され、照明用電力の供給を受けることとなる。
[照明ユニットの作用の説明]図4
次に、図4を用いて、照明ユニット10の発光動作および熱伝達機構について説明する。図4において、矢印線Pmは出射光、矢印線Pnは反射光を表している。また、矢印線Toは熱の流れを示した熱伝達方向を表している。
[第2実施例]
[照明装置の構成の説明]図5
次に、図5を用いて、第2実施例に係る照明装置の構成を説明する。図5は、照明ユニット10をランプソケットに取付けた状態を示す要部断面図であり、基本的構成は図4に示す第1実施例の照明装置と同じなので、同一要素には同一番号を付し、重複する説明は省略する。
[第3実施例]
[照明ユニットの構成の説明]図6
次に、図6を用いて第3実施例の照明ユニットの構成を説明する。図6は、本発明の第3実施例に係る照明ユニットの要部断面図である。なお、図6に示す、第3実施例における照明ユニットの基本的構成は、前述の図2に示した、第1実施例の照明ユニット10と基本構成が同じなので、同一要素には同一符号を付し、重複する説明は省略する。
[照明装置の構成の説明]図7
次に、図7を用いて第3実施例の照明装置の構成を説明する。図7は、照明ユニット40をランプソケットに取付けた状態を示す要部断面図であり、基本的構成は、図5に示す第2実施例の照明装置と同じなので、同一要素には同一番号を付し、重複する説明は省略
する。なお、図7に示す第3実施例の照明装置と、図5に示した第2実施例の照明装置と異なるところは、照明ユニットの構成と放熱部材の配置形態にある。他の事項は同じであるので、ここではその相違点のみについて下記に説明する。
20 回路基板
21 メタルコア基板
21a 露出面
22 絶縁層
23a、23b 配線パターン
24 LED
25 LEDブロック
26 電子部品
27 絶縁スリーブ
28 電極ピン
29 突起部
30 口金
31 帯1の被覆膜
32 第2の被覆膜
33、41 第3の被覆膜
41a 透明な樹脂
41b 光拡散剤
50、60、70 ランプソケット
51 ソケット本体
51a、51b 取付孔
52 ランプカバー
61 放熱部材
Claims (3)
- 回路基板と、
前記回路基板の一方の面に実装された発光素子と、
前記回路基板の他方の面から直に延設して設けられた、前記発光素子に外部からの電力を供給するための電極ピンと、を備え、
前記回路基板の他方の面の少なくとも一部は、照明ユニット筐体を兼ねて露出しており、
前記発光素子を駆動するための電子部品が、前記回路基板の一方の面に前記発光素子とともに配置されており、
前記電子部品は、白色樹脂で被覆され、
前記発光素子と前記白色樹脂を含む前記回路基板の一方の表面は、透明樹脂または乳白色の樹脂で被覆される
ことを特徴とする照明ユニット。 - 請求項1の照明ユニットを、ランプソケットに装填したときに、前記回路基板の他方の面であって、前記照明ユニット筐体を兼ねて露出した面が、直に空気に曝される
ことを特徴とする照明装置。 - 請求項1の照明ユニットをランプソケットに装填したときに、前記回路基板の他方の面であって、前記照明ユニット筐体を兼ねて露出した面と、前記ランプソケットの環形状の放熱部材の表面とが、熱的に接合する
ことを特徴とする照明装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010271362A JP5575624B2 (ja) | 2010-12-06 | 2010-12-06 | 照明ユニット及び照明装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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JP2010271362A JP5575624B2 (ja) | 2010-12-06 | 2010-12-06 | 照明ユニット及び照明装置 |
Publications (2)
Publication Number | Publication Date |
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JP2012123924A JP2012123924A (ja) | 2012-06-28 |
JP5575624B2 true JP5575624B2 (ja) | 2014-08-20 |
Family
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JP2010271362A Expired - Fee Related JP5575624B2 (ja) | 2010-12-06 | 2010-12-06 | 照明ユニット及び照明装置 |
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JP (1) | JP5575624B2 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9004722B2 (en) | 2012-07-31 | 2015-04-14 | Qualcomm Mems Technologies, Inc. | Low-profile LED heat management system |
CN103196049A (zh) * | 2013-03-06 | 2013-07-10 | 深圳市晶台光电有限公司 | 一种采用一体化cob封装工艺的led灯板 |
JP6098457B2 (ja) * | 2013-09-18 | 2017-03-22 | 株式会社デンソー | 点灯装置及び点灯装置を備えた灯具 |
US9964258B2 (en) * | 2015-12-02 | 2018-05-08 | Feit Electric Company, Inc. | Light emitting diode (LED) lighting device |
EP4187145A1 (en) * | 2021-11-25 | 2023-05-31 | Yuri Borisovich Sokolov | Led cluster |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3928385B2 (ja) * | 2001-08-24 | 2007-06-13 | 松下電工株式会社 | 照明器具 |
JP2006337392A (ja) * | 2005-05-31 | 2006-12-14 | Fuji Electric Ind Co Ltd | 表示灯 |
JP5288161B2 (ja) * | 2008-02-14 | 2013-09-11 | 東芝ライテック株式会社 | 発光モジュール及び照明装置 |
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