Shigeru Oba

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Nishigo-mura, JP

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Patents Grantslast 30 patents

Information Patent Grant
Sizing device, polishing apparatus, and polishing method
- Patent number 10,147,656
- Issue date Dec 4, 2018
- Shin-Etsu Handotai Co., Ltd.
- Shigeru Oba
- B24 - GRINDING POLISHING
Information Patent Grant
Method for producing mirror-polished wafer
- Patent number 9,748,089
- Issue date Aug 29, 2017
- Shin-Etsu Handotai Co., Ltd.
- Hiromasa Hashimoto
- B24 - GRINDING POLISHING
Information Patent Grant
Double-side polishing method
- Patent number 9,156,123
- Issue date Oct 13, 2015
- Shin-Etsu Handotai Co., Ltd.
- Kazuaki Aoki
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
EDGE PORTION MEASURING APPARATUS AND METHOD FOR MEASURING EDGE PORTION
- Publication number 20230258577
- Publication date Aug 17, 2023
- Shin-Etsu Handotai Co., Ltd.
- Shigeru Oba
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SIZING DEVICE, POLISHING APPARATUS, AND POLISHING METHOD
- Publication number 20180138097
- Publication date May 17, 2018
- Shin-Etsu Handotai Co., Ltd.
- Shigeru OBA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR PRODUCING MIRROR-POLISHED WAFER
- Publication number 20160217998
- Publication date Jul 28, 2016
- Shin-Etsu Handotai Co., Ltd.
- Hiromasa HASHIMOTO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DOUBLE-SIDE POLISHING METHOD
- Publication number 20140256227
- Publication date Sep 11, 2014
- Shin-Etsu Handotai Co., Ltd.
- Kazuaki Aoki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR POLISHING SILICON WAFER AND POLISHING AGENT
- Publication number 20140162456
- Publication date Jun 12, 2014
- Shin-Etsu Handotai Co., Ltd.
- Shigeru Oba
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...