Tetsuya Shirai

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Himeji-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
ULTRA-HIGH PRESSURE DISCHARGE LAMP LIGHTING METHOD, ULTRA-HIGH PRES...
- Patent number 6,713,972
- Issue date Mar 30, 2004
- Phoenix Electric Co., Ltd.
- Atsuji Nakagawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Metal halide lamp
- Patent number 6,285,130
- Issue date Sep 4, 2001
- Phoenix Electric Co., Ltd.
- Atsuji Nakagawa
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Ultra-high pressure discharge lamp lighting method, ultra-high pres...
- Publication number 20020105288
- Publication date Aug 8, 2002
- Phoenix Electric Co., Ltd.
- Atsuji Nakagawa
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...