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Patents Grants
last 30 patents
Information
Patent Grant
High pressure discharge lamp and luminaire
Patent number
6,781,292
Issue date
Aug 24, 2004
Toshiba Lighting & Technology Corporation
Masazumi Ishida
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High pressure discharge lamp, high pressure discharge lamp lighting...
Patent number
6,661,176
Issue date
Dec 9, 2003
Toshiba Lighting & Technology Corporation
Hisashi Honda
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
High pressure discharge lamp and luminaire
Publication number
20030141797
Publication date
Jul 31, 2003
TOSHIBA LIGHTING & TECHNOLOGY CORPORATION
Masazumi Isida
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
High pressure discharge lamp, high pressure discharge lamp lighting...
Publication number
20020135304
Publication date
Sep 26, 2002
Hisashi Honda
H01 - BASIC ELECTRIC ELEMENTS