Ichiro Katayama

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Ohta-ku, Tokyo 143, JP

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Patents Grantslast 30 patents

Information Patent Grant
Automatic drill bit re-pointing apparatus and method
- Patent number 6,331,133
- Issue date Dec 18, 2001
- Union Tool Company
- Ichiro Katayama
- B24 - GRINDING POLISHING
Information Patent Grant
Drill bit case with re-configurable shank retainer and stand base
- Patent number 6,260,701
- Issue date Jul 17, 2001
- Union Tool Company Ltd.
- Ichiro Katayama
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Sintered diamond drill bits and method of making
- Patent number 6,029,544
- Issue date Feb 29, 2000
- Ichiro Katayama
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Sintered diamond drill bits and method of making
- Patent number 5,611,251
- Issue date Mar 18, 1997
- Ichiro Katayama
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Sintered diamond drill bits and method of making
- Patent number 5,443,337
- Issue date Aug 22, 1995
- Ichiro Katayama
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR CHAMFERING WAFER
- Publication number 20120100785
- Publication date Apr 26, 2012
- Shin-Etsu Handotai Co., Ltd.
- Yukio Ishimasa
- B24 - GRINDING POLISHING