Kouichi Tanaka

Follow

Person

Nishigou-mura, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Workpiece holder for polishing, method for producing the same, meth...
- Patent number 6,386,957
- Issue date May 14, 2002
- Shin-Etsu Handotai Co., Ltd.
- Hisashi Masumura
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Process of polishing wafers
- Patent number 5,733,177
- Issue date Mar 31, 1998
- Shin-Etsu Handotai Co., Ltd.
- Toshihiro Tsuchiya
- B24 - GRINDING POLISHING
Information Patent Grant
Polishing method and apparatus for automatic reduction of wafer tap...
- Patent number 5,620,357
- Issue date Apr 15, 1997
- Shin-Etsu Handotai Co., Ltd.
- Hitoshi Misaka
- B24 - GRINDING POLISHING
Information Patent Grant
Method of polishing semiconductor wafers and apparatus therefor
- Patent number 5,584,746
- Issue date Dec 17, 1996
- Shin-Etsu Handotai Co., Ltd.
- Kouichi Tanaka
- B24 - GRINDING POLISHING
Information Patent Grant
Polishing member and wafer polishing apparatus
- Patent number 5,564,965
- Issue date Oct 15, 1996
- Shin-Etsu Handotai Co., Ltd.
- Kouichi Tanaka
- B24 - GRINDING POLISHING
Information Patent Grant
Polishing apparatus
- Patent number 5,081,795
- Issue date Jan 21, 1992
- Shin-Etsu Handotai Company, Ltd.
- Kouichi Tanaka
- B24 - GRINDING POLISHING