Toshiyuki Hayashi

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Gunma, JP

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Patents Grantslast 30 patents

Information Patent Grant
Polishing apparatus and method
- Patent number 7,513,819
- Issue date Apr 7, 2009
- Shin-Eisu Handotai Co., Ltd
- Etsuo Kiuchi
- B24 - GRINDING POLISHING
Information Patent Grant
Wafer double-side polishing apparatus and double-side polishing method
- Patent number 7,364,495
- Issue date Apr 29, 2008
- Etsu Handotai Co., Ltd.
- Hiroyoshi Tominaga
- B24 - GRINDING POLISHING
Information Patent Grant
Polishing device and method
- Patent number 6,827,638
- Issue date Dec 7, 2004
- Shin-Etsu Handotai Co., Ltd.
- Etsuo Kiuchi
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
Double side polishing device for wafer and double side polishing me...
- Publication number 20050124264
- Publication date Jun 9, 2005
- Shin-Etsu Handotai Co., Ltd.
- Hiroyoshi Tominaga
- B24 - GRINDING POLISHING
Information Patent Application
Polishing apparatus and method
- Publication number 20050048882
- Publication date Mar 3, 2005
- SHIN-ETSU HANDOTAI CO., LTD.
- Etsuo Kiuchi
- B24 - GRINDING POLISHING
Information Patent Application
Polishing device and method
- Publication number 20020187728
- Publication date Dec 12, 2002
- Etsuo Kiuchi
- B24 - GRINDING POLISHING