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Takatsuki, JP
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last 30 patents
Information
Patent Grant
Method and apparatus for operating a discharge lamp to reduce the c...
Patent number
6,130,508
Issue date
Oct 10, 2000
Matsushita Electric Industrial Co., Ltd.
Koji Miyazaki
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Fluorescent lamp operating apparatus
Patent number
6,107,757
Issue date
Aug 22, 2000
Matsushita Electric Industrial Co., Ltd.
Satoshi Kominami
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method and apparatus for operating discharge lamp
Patent number
6,046,548
Issue date
Apr 4, 2000
Matsushita Electric Industrial Co., Ltd.
Satoshi Kominami
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Discharge lamp lighting device and a method for lighting a discharg...
Patent number
5,955,846
Issue date
Sep 21, 1999
Matsushita Electric Industrial Co., Ltd.
Satoshi Kominami
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Operating apparatus for discharge lamp
Patent number
5,949,192
Issue date
Sep 7, 1999
Matsushita Electric Industrial Co., Ltd.
Satoshi Kominami
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Discharge lamp operating apparatus and method for reducing discharg...
Patent number
5,880,561
Issue date
Mar 9, 1999
Matsushita Electric Industrial Co., Ltd.
Kouji Miyazaki
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method for producing aluminate phosphor
Patent number
5,879,586
Issue date
Mar 9, 1999
Matsushita Electric Industrial Co., Ltd.
Koji Kitamura
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Electrodeless hid lamp and electrodeless hid lamp system using the...
Patent number
5,864,210
Issue date
Jan 26, 1999
Matsushita Electric Industrial Co., Ltd.
Akira Hochi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Discharge lamp-lighting apparatus for straightening arc discharge
Patent number
5,773,937
Issue date
Jun 30, 1998
Matsushita Electric Industrial Co., Ltd.
Koji Miyazaki
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
An inverter driven lamp arrangement having a current detection circ...
Patent number
5,444,336
Issue date
Aug 22, 1995
Matsushita Electric Industrial Co., Ltd.
Masataka Ozawa
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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
Information
Patent Grant
Discharge lamp starting circuit
Patent number
5,233,273
Issue date
Aug 3, 1993
Matsushita Electric Industrial Co., Ltd.
Atsuo Waki
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Discharge lamp operation apparatus
Patent number
5,023,516
Issue date
Jun 11, 1991
Matsushita Electric Industrial Co., Ltd.
Kazuhiko Ito
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Apparatus for igniting a discharge lamp including circuitry for pre...
Patent number
4,982,137
Issue date
Jan 1, 1991
Matsushita Electric Industrial Co., Ltd.
Masakatsu Kichibayashi
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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
Patents Applications
last 30 patents
Information
Patent Application
Mercury-Free Lamp and Lamp Apparatus
Publication number
20080203912
Publication date
Aug 28, 2008
Matsushita Electric Industrial Co., Ltd.
Masafumi Jinno
H01 - BASIC ELECTRIC ELEMENTS