Fumiaki Maruyama

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Gunma-gun, JP

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Patents Grantslast 30 patents

Information Patent Grant
Silicon wafer and a silicon epitaxial wafer having a polycrystal si...
- Patent number 9,163,327
- Issue date Oct 20, 2015
- Shin-Etsu Handotai Co., Ltd.
- Fumiaki Maruyama
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Final polishing method for silicon single crystal wafer and silicon...
- Patent number 8,569,148
- Issue date Oct 29, 2013
- Shin-Etsu Handotai Co., Ltd.
- Naoto Iizuka
- B24 - GRINDING POLISHING
Information Patent Grant
Wafer and epitaxial wafer, and manufacturing processes therefor
- Patent number 8,273,146
- Issue date Sep 25, 2012
- Shin-Etsu Handotai Co., Ltd.
- Fumiaki Maruyama
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
WAFER AND EPITAXIAL WAFER, AND MANUFACTURING PROCESSES THEREFOR
- Publication number 20120298995
- Publication date Nov 29, 2012
- Shin-Etsu Handotai Co., Ltd.
- Fumiaki Maruyama
- C30 - CRYSTAL GROWTH
Information Patent Application
FINAL POLISHING METHOD FOR SILICON SINGLE CRYSTAL WAFER AND SILICON...
- Publication number 20100090314
- Publication date Apr 15, 2010
- Shin-Etsu Handotai Co., Ltd.
- Naoto Iizuka
- B24 - GRINDING POLISHING