Ichiro Katayama

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Nagaoka City, JP

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Patents Grantslast 30 patents

Information Patent Grant
Drill bit pointing and dirt removal apparatus and method
- Patent number 6,769,965
- Issue date Aug 3, 2004
- Ichiro Katayama
- B24 - GRINDING POLISHING
Information Patent Grant
Method of joining a sintered hard alloy member to a stainless steel...
- Patent number 6,613,999
- Issue date Sep 2, 2003
- Union Tool Company
- Ichiro Katayama
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Drill bit pointing and dirt removal apparatus and method
- Publication number 20020174989
- Publication date Nov 28, 2002
- Ichiro Katayama
- B24 - GRINDING POLISHING
Information Patent Application
Method of joining a sintered hard alloy member to a stainless steel...
- Publication number 20020060206
- Publication date May 23, 2002
- Ichiro Katayama
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR