Kazuhiro Yamamoto

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Suita, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for working a clad material
- Patent number 5,295,296
- Issue date Mar 22, 1994
- Citizen Watch Co., Ltd.
- Katsumi Hagiwara
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of manufacturing spotwise partial clad material
- Patent number 5,234,150
- Issue date Aug 10, 1993
- Sumitomo Special Metal Co.
- Kazuhiro Yamamoto
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL