Kouichi Sugimoto

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Metal vapor discharge lamp having cermet lead-in with improved lumi...
- Patent number 6,646,379
- Issue date Nov 11, 2003
- Matsushita Electric Industrial Co., Ltd.
- Hiroshi Nohara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Metal vapor discharged lamp with specific angle between electrodes...
- Patent number 6,208,070
- Issue date Mar 27, 2001
- Matsushita Electronics Corporation
- Kouichi Sugimoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Metal halide lamp with specific dimension of the discharge tube
- Patent number 6,137,229
- Issue date Oct 24, 2000
- Matsushita Electronics Corporation
- Yoshiharu Nishiura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Metal halide lamp having a ceramic discharge tube
- Patent number 6,054,810
- Issue date Apr 25, 2000
- Matsushita Electronics Corporation
- Takashi Yamamoto
- H01 - BASIC ELECTRIC ELEMENTS