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Jiro Hashizume
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Kadoma, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Light source device using LED, and method of producing same
Patent number
6,874,910
Issue date
Apr 5, 2005
Matsushita Electric Works, Ltd.
Masaru Sugimoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
LED luminaire with light control means
Patent number
6,331,063
Issue date
Dec 18, 2001
Matsushita Electric Works, Ltd.
Kazuo Kamada
F21 - LIGHTING
Information
Patent Grant
Semiconductor device
Patent number
5,126,818
Issue date
Jun 30, 1992
Matsushita Electric Works, Ltd.
Shigenari Takami
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Light source device using led, and method of producing same
Publication number
20030189830
Publication date
Oct 9, 2003
Masaru Sugimoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Led luminaire with light control means
Publication number
20020006040
Publication date
Jan 17, 2002
Kazuo Kamada
H01 - BASIC ELECTRIC ELEMENTS