Yoshito Miyasaka

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Nagano-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electric joining method and apparatus and a joined unit of members
- Patent number 6,899,265
- Issue date May 31, 2005
- Sumitomo Coal Mining Co., Ltd.
- Yoshito Miyasaka
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electric joining method and apparatus and a joined unit of members
- Patent number 6,515,250
- Issue date Feb 4, 2003
- Sumitomo Coal Mining Co., Ltd.
- Yoshito Miyasaka
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Ball for ball-point pen and ball-point pen
- Patent number 6,478,498
- Issue date Nov 12, 2002
- Yoshito Miyasaka
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

Information Patent Application
Electric joining method and apparatus and a joined unit of members
- Publication number 20030106877
- Publication date Jun 12, 2003
- SUMITOMO COAL MINING CO., LTD.
- Yoshito Miyasaka
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Electric joining method and apparatus and a joined unit of members
- Publication number 20020011468
- Publication date Jan 31, 2002
- SUMITOMO COAL MINING CO., LTD.
- Yoshito Miyasaka
- C21 - METALLURGY OF IRON