JP7141967B2 - 造形体製造方法、中間体および造形体 - Google Patents

造形体製造方法、中間体および造形体 Download PDF

Info

Publication number
JP7141967B2
JP7141967B2 JP2019044899A JP2019044899A JP7141967B2 JP 7141967 B2 JP7141967 B2 JP 7141967B2 JP 2019044899 A JP2019044899 A JP 2019044899A JP 2019044899 A JP2019044899 A JP 2019044899A JP 7141967 B2 JP7141967 B2 JP 7141967B2
Authority
JP
Japan
Prior art keywords
based alloy
columnar crystal
crystal grains
shaped body
powder
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.)
Active
Application number
JP2019044899A
Other languages
English (en)
Japanese (ja)
Other versions
JP2020147782A5 (OSRAM
JP2020147782A (ja
Inventor
竜太朗 岡田
嘉道 野村
賢一郎 井頭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kawasaki Motors Ltd
Original Assignee
Kawasaki Jukogyo KK
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to JP2019044899A priority Critical patent/JP7141967B2/ja
Application filed by Kawasaki Jukogyo KK filed Critical Kawasaki Jukogyo KK
Priority to US17/438,683 priority patent/US20220145430A1/en
Priority to EP20769585.9A priority patent/EP3939720A4/en
Priority to CN202080019962.5A priority patent/CN113518677B/zh
Priority to CN202311349337.9A priority patent/CN117358943A/zh
Priority to PCT/JP2020/010065 priority patent/WO2020184519A1/ja
Priority to TW109108006A priority patent/TWI805904B/zh
Publication of JP2020147782A publication Critical patent/JP2020147782A/ja
Publication of JP2020147782A5 publication Critical patent/JP2020147782A5/ja
Application granted granted Critical
Publication of JP7141967B2 publication Critical patent/JP7141967B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
    • B22F10/20—Direct sintering or melting
    • B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/14—Treatment of metallic powder
    • B22F1/142—Thermal or thermo-mechanical treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
    • B22F10/20—Direct sintering or melting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
    • B22F10/30—Process control
    • B22F10/36—Process control of energy beam parameters
    • B22F10/366—Scanning parameters, e.g. hatch distance or scanning strategy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
    • B22F10/60—Treatment of workpieces or articles after build-up
    • B22F10/64—Treatment of workpieces or articles after build-up by thermal means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/10—Sintering only
    • B22F3/105—Sintering only by using electric current other than for infrared radiant energy, laser radiation or plasma ; by ultrasonic bonding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/12—Both compacting and sintering
    • B22F3/14—Both compacting and sintering simultaneously
    • B22F3/15—Hot isostatic pressing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/12—Both compacting and sintering
    • B22F3/16—Both compacting and sintering in successive or repeated steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/24—After-treatment of workpieces or articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B22F5/009—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of turbine components other than turbine blades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B22F5/04—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of turbine blades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y10/00—Processes of additive manufacturing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
    • B33Y40/20—Post-treatment, e.g. curing, coating or polishing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y70/00—Materials specially adapted for additive manufacturing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y80/00—Products made by additive manufacturing
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C19/00—Alloys based on nickel or cobalt
    • C22C19/03—Alloys based on nickel or cobalt based on nickel
    • C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C19/00—Alloys based on nickel or cobalt
    • C22C19/03—Alloys based on nickel or cobalt based on nickel
    • C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
    • C22C19/051—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
    • C22C19/056—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being at least 10% but less than 20%
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/10—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/24—After-treatment of workpieces or articles
    • B22F2003/248—Thermal after-treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2301/00—Metallic composition of the powder or its coating
    • B22F2301/15—Nickel or cobalt
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Plasma & Fusion (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Automation & Control Theory (AREA)
  • Powder Metallurgy (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
JP2019044899A 2019-03-12 2019-03-12 造形体製造方法、中間体および造形体 Active JP7141967B2 (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP2019044899A JP7141967B2 (ja) 2019-03-12 2019-03-12 造形体製造方法、中間体および造形体
EP20769585.9A EP3939720A4 (en) 2019-03-12 2020-03-09 PROCESS FOR PRODUCTION OF A MOLDING AND INTERMEDIATE PRODUCT AND MOLDING
CN202080019962.5A CN113518677B (zh) 2019-03-12 2020-03-09 造形体制造方法、中间体及造形体
CN202311349337.9A CN117358943A (zh) 2019-03-12 2020-03-09 造形体的中间体及造形体
US17/438,683 US20220145430A1 (en) 2019-03-12 2020-03-09 Shaped article production method, intermediate article, and shaped article
PCT/JP2020/010065 WO2020184519A1 (ja) 2019-03-12 2020-03-09 造形体製造方法、中間体および造形体
TW109108006A TWI805904B (zh) 2019-03-12 2020-03-11 造形體製造方法、中間體及造形體

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2019044899A JP7141967B2 (ja) 2019-03-12 2019-03-12 造形体製造方法、中間体および造形体

Publications (3)

Publication Number Publication Date
JP2020147782A JP2020147782A (ja) 2020-09-17
JP2020147782A5 JP2020147782A5 (OSRAM) 2022-01-24
JP7141967B2 true JP7141967B2 (ja) 2022-09-26

Family

ID=72426392

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2019044899A Active JP7141967B2 (ja) 2019-03-12 2019-03-12 造形体製造方法、中間体および造形体

Country Status (6)

Country Link
US (1) US20220145430A1 (OSRAM)
EP (1) EP3939720A4 (OSRAM)
JP (1) JP7141967B2 (OSRAM)
CN (2) CN113518677B (OSRAM)
TW (1) TWI805904B (OSRAM)
WO (1) WO2020184519A1 (OSRAM)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7702237B2 (ja) * 2020-09-11 2025-07-03 川崎重工業株式会社 造形体製造方法、中間体および造形体
EP4289982B1 (en) 2021-02-05 2025-06-11 Proterial, Ltd. Ni-based alloy powder for additive manufacturing, additive manufactured component, and additive manufacturing method thereof
CN113118420B (zh) * 2021-06-18 2021-08-31 北京煜鼎增材制造研究院有限公司 一种超细柱晶高温合金叶片及其激光定向凝固制备方法
FR3128651B1 (fr) * 2021-11-04 2024-02-16 Safran Procede de fusion selective sur lit de poudre d’un alliage a solidification dirigee
CN116397138B (zh) * 2023-04-18 2024-05-14 承德天大钒业有限责任公司 一种铝铌钽中间合金及其制备方法
JP2025164079A (ja) * 2024-04-18 2025-10-30 川崎重工業株式会社 付加製造方法及び付加製造装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017137567A (ja) 2015-12-09 2017-08-10 ゼネラル・エレクトリック・カンパニイ ニッケル基超合金及びその作製方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5232492B2 (ja) * 2008-02-13 2013-07-10 株式会社日本製鋼所 偏析性に優れたＮｉ基超合金
JP5519938B2 (ja) * 2008-04-01 2014-06-11 Ｄｏｗａエレクトロニクス株式会社 導電性ペースト用銅粉の製造方法
CH705750A1 (de) 2011-10-31 2013-05-15 Alstom Technology Ltd Verfahren zur Herstellung von Komponenten oder Abschnitten, die aus einer Hochtemperatur-Superlegierung bestehen.
EP2886225B1 (en) * 2013-12-23 2017-06-07 Ansaldo Energia IP UK Limited Gamma prime precipitation strengthened nickel-base superalloy for use in powder based additive manufacturing process
EP2949768B1 (en) * 2014-05-28 2019-07-17 Ansaldo Energia IP UK Limited Gamma prime precipitation strengthened nickel-base superalloy for use in powder based additive manufacturing process
EP3257963A4 (en) * 2015-02-12 2018-10-17 Hitachi Metals, Ltd. METHOD FOR MANUFACTURING Ni-BASED SUPER-HEAT-RESISTANT ALLOY
JP6460336B2 (ja) * 2015-07-09 2019-01-30 三菱日立パワーシステムズ株式会社 Ｎｉ基高強度耐熱合金部材、その製造方法、及びガスタービン翼
JP6826821B2 (ja) * 2016-05-12 2021-02-10 三菱重工業株式会社 金属部材の製造方法
JP6931545B2 (ja) * 2017-03-29 2021-09-08 三菱重工業株式会社 Ｎｉ基合金積層造形体の熱処理方法、Ｎｉ基合金積層造形体の製造方法、積層造形体用Ｎｉ基合金粉末、およびＮｉ基合金積層造形体
WO2018216067A1 (ja) * 2017-05-22 2018-11-29 川崎重工業株式会社 高温部品及びその製造方法
WO2019012559A1 (en) * 2017-07-12 2019-01-17 Bharat Forge Limited ADDITIVE FABRICATION PROCESS FOR COMBUSTION CHAMBER
CN108555296B (zh) * 2018-05-07 2020-08-14 四川省有色冶金研究院有限公司 一种k465合金粉末的增材制造方法
CN108941560B (zh) * 2018-07-27 2019-06-11 中南大学 一种消除Renè104镍基高温合金激光增材制造裂纹的方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017137567A (ja) 2015-12-09 2017-08-10 ゼネラル・エレクトリック・カンパニイ ニッケル基超合金及びその作製方法

Also Published As

Publication number Publication date
CN117358943A (zh) 2024-01-09
WO2020184519A1 (ja) 2020-09-17
EP3939720A1 (en) 2022-01-19
TW202100265A (zh) 2021-01-01
TWI805904B (zh) 2023-06-21
CN113518677A (zh) 2021-10-19
EP3939720A4 (en) 2023-03-22
US20220145430A1 (en) 2022-05-12
CN113518677B (zh) 2023-11-07
JP2020147782A (ja) 2020-09-17

Similar Documents

Publication Publication Date Title
JP7141967B2 (ja) 造形体製造方法、中間体および造形体
JP6499546B2 (ja) 積層造形用Ｎｉ基超合金粉末
JP5652730B1 (ja) Ｎｉ基超耐熱合金及びその製造方法
JP7141966B2 (ja) 造形体製造方法および造形体
TWI836266B (zh) 造形體製造方法、中間體及造形體
JP6645627B2 (ja) 熱間金型用Ｎｉ基合金及びそれを用いた熱間鍛造用金型
JP6143227B2 (ja) 生体用Ｃｏ−Ｃｒ−Ｍｏ合金
JP7255963B1 (ja) Ｎｉ合金部材の製造方法
JP7156474B2 (ja) 合金部材の製造方法
JP7202058B1 (ja) Ｎｉ基合金造形物の製造方法、およびＮｉ基合金造形物
CN118369172A (zh) 用于基于粉末床的增材制造方法的金属粉末
JP7761177B2 (ja) 付加製造用Ｎｉ基合金粉末及びＮｉ基合金造形物の製造方法
JP7685546B2 (ja) ニッケル基超合金、ニッケル基超合金粉末および造形体の製造方法
JP7355189B2 (ja) Ｎｉ基合金積層造形物
TW202513812A (zh) Ｎｉ基合金製之造形物
JP2022047833A (ja) 積層造形物の熱処理方法および低熱膨張合金造形物の製造方法
WO2023027054A1 (ja) ニッケル基超合金及びその粉末、並びにニッケル基超合金造形体の製造方法

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20220113

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20220113

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: 20220823

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20220912

R150 Certificate of patent or registration of utility model

Ref document number: 7141967

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250