Masaji Yamada

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Hamamatsu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Workpiece bite device in a rolling flat cutter
- Patent number 4,796,462
- Issue date Jan 10, 1989
- Fuji Tekko Co., Ltd.
- Hideo Hikuma
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method of rolling a pipe by flat cutters
- Patent number 4,787,229
- Issue date Nov 29, 1988
- Fuji Tekko Co., Ltd.
- Hideo Hikuma
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Rolling flat cutter and method of rolling thereby
- Patent number 4,787,230
- Issue date Nov 29, 1988
- Fuji Tekko Co., Ltd.
- Hideo Hikuma
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...