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Ichiro Yamada
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Yokohama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Fluorescent lamp including a multi-ringed bulb
Patent number
7,443,092
Issue date
Oct 28, 2008
Toshiba Lighting & Technology Corporation
Ichiro Yamada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Fluorescent lamp having bent portions and its manufacturing method,...
Patent number
7,285,899
Issue date
Oct 23, 2007
Toshiba Lighting & Technology Corporation
Kiyoshi Nishimura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Low-pressure mercury vapor discharge lamp and illuminator
Patent number
6,337,539
Issue date
Jan 8, 2002
Toshiba Lighting & Technology Corporation
Takashi Yorifuji
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Circular fluorescent lamp unit and lighting apparatus.
Patent number
6,193,390
Issue date
Feb 27, 2001
Toshiba Lighting & Technology Corporation
Yuichi Sakakibara
F21 - LIGHTING
Information
Patent Grant
Circular fluorescent lamp unit and lighting apparatus
Patent number
5,796,210
Issue date
Aug 18, 1998
Toshiba Lighting & Technology Corporation
Yuichi Sakakibara
F21 - LIGHTING
Patents Applications
last 30 patents
Information
Patent Application
Fluorescent lamp and its manufacturing method, and illuminating app...
Publication number
20060164000
Publication date
Jul 27, 2006
TOSHIBA LIGHTING & TECHNOLOGY CORP.
Kiyoshi Nishimura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Flurescent lamp and luminaire
Publication number
20060071601
Publication date
Apr 6, 2006
TOSHIBA LIGHTING & TECHNOLOGY CORP.
Ichiro Yamada
H01 - BASIC ELECTRIC ELEMENTS