Naoki Muranaga

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Production apparatus for producing gallium nitride semiconductor fi...
- Patent number 7,195,022
- Issue date Mar 27, 2007
- Japan Pionics Co., Ltd.
- Kenji Otsuka
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method of cleaning of harmful gas and cleaning apparatus
- Patent number 6,579,509
- Issue date Jun 17, 2003
- Japan Pionics Co., Ltd.
- Kenji Otsuka
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
PRODUCTION APPARATUS FOR PRODUCING GALLIUM NITRIDE FILM SEMICONDUCT...
- Publication number 20070128359
- Publication date Jun 7, 2007
- Japan Pionics Co., Ltd.
- Kenji OTSUKA
- C30 - CRYSTAL GROWTH
Information Patent Application
Production method for producing gallium nitride film semiconductor...
- Publication number 20050163928
- Publication date Jul 28, 2005
- Japan Pionics Co., Ltd.
- Kenji Otsuka
- C30 - CRYSTAL GROWTH
Information Patent Application
Production apparatus for producing gallium nitride film semiconduct...
- Publication number 20020136671
- Publication date Sep 26, 2002
- Japan Pionics Co., Ltd.
- Kenji Otsuka
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...