Masaaki OSEKI

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Nishigo-mura, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing polishing head, polishing head, and polish...
- Patent number 10,464,189
- Issue date Nov 5, 2019
- Shin-Etsu Handotai Co., Ltd.
- Masaaki Oseki
- B24 - GRINDING POLISHING
Information Patent Grant
Polishing method
- Patent number 10,300,576
- Issue date May 28, 2019
- Shin-Etsu Handotai Co., Ltd.
- Masaaki Oseki
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND APPARATUS FOR POLISHING WAFER
- Publication number 20230137813
- Publication date May 4, 2023
- Shin-Etsu Handotai Co., Ltd.
- Masaaki OSEKI
- B24 - GRINDING POLISHING
Information Patent Application
POLISHING METHOD
- Publication number 20180369984
- Publication date Dec 27, 2018
- Shin-Etsu Handotai Co., Ltd.
- Masaaki OSEKI
- B24 - GRINDING POLISHING
Information Patent Application
METHOD FOR MANUFACTURING POLISHING HEAD, POLISHING HEAD, AND POLISH...
- Publication number 20180043500
- Publication date Feb 15, 2018
- Shin-Etsu Handotai Co., Ltd.
- Masaaki OSEKI
- B24 - GRINDING POLISHING