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Kazuiki Uchida
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Kanagawa, JP
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last 30 patents
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Patent Grant
High-pressure discharge lamp, turning-on circuit device, and lighti...
Patent number
5,994,823
Issue date
Nov 30, 1999
Toshiba Lighting & Technology Corporation
Kazuyoshi Okamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Nitride layer for discharge lamps
Patent number
5,668,440
Issue date
Sep 16, 1997
Toshiba Lighting & Technology Corporation
Shinji Inukai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High-pressure discharge lamp and lighting method
Patent number
5,276,385
Issue date
Jan 4, 1994
Toshiba Lighting & Technology Corporation
Akira Itoh
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Sodium lamp
Patent number
D334071
Issue date
Mar 16, 1993
Toshiba Lighting & Technology Corporation
Akira Itoh
D26 - Lighting
Information
Patent Grant
Ceramic electric-discharge lamp incorporating arc tube having at le...
Patent number
5,182,486
Issue date
Jan 26, 1993
Toshiba Lighting & Technology Corporation
Akira Itoh
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High pressure sodium lamp with sodium amalgam of controlled amount...
Patent number
4,950,953
Issue date
Aug 21, 1990
Kabushiki Kaisha Toshiba
Akira Ito
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High pressure sodium lamp substantially preventing movement of melt...
Patent number
4,910,430
Issue date
Mar 20, 1990
Kabushiki Kaisha Toshiba
Akira Ito
H01 - BASIC ELECTRIC ELEMENTS