Kazutaka Koyama

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Nishinomiya, JP

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Patents Grantslast 30 patents

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High pressure discharge lamp having improved convection regulating...
- Patent number 5,466,988
- Issue date Nov 14, 1995
- Matsushita Electric Industrial Co., Ltd.
- Makoto Horiuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Apparatus for controlling the power to a discharge-lamp
- Patent number 5,365,152
- Issue date Nov 15, 1994
- Matsushita Electric Industrial Co. Ltd.
- Masataka Ozawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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Discharge lamp operation apparatus
- Patent number 4,600,862
- Issue date Jul 15, 1986
- Matsushita Electric Industrial Co. Ltd.
- Kazuhiko Ito
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High pressure discharge lamp apparatus
- Patent number 4,378,513
- Issue date Mar 29, 1983
- Matsushita Electric Industrial Co., Ltd.
- Nobuhisa Yoshikawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
High pressure discharge lamp apparatus
- Patent number 4,370,601
- Issue date Jan 25, 1983
- Matsushita Electric Industrial Co., Ltd.
- Shigeru Horii
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR