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Hirofumi Takaki
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Aichi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Light emitting device that restores abnormal light emitting element
Patent number
8,513,898
Issue date
Aug 20, 2013
Panasonic Corporation
Masanao Okawa
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Planar light-emitting module lighting circuit and illuminating device
Patent number
8,502,471
Issue date
Aug 6, 2013
Panasonic Corporation
Masanao Ookawa
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Light control apparatus for lighting an organic electroluminescence...
Patent number
8,432,105
Issue date
Apr 30, 2013
Panasonic Corporation
Hirofumi Takaki
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Light control apparatus and lighting appliance using the same
Patent number
8,344,651
Issue date
Jan 1, 2013
Panasonic Corporation
Hirofumi Takaki
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Organic electroluminescent light emitting device for restoring norm...
Patent number
8,138,679
Issue date
Mar 20, 2012
Panasonic Electric Works Co., Ltd.
Hirofumi Konishi
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
PLANAR LIGHT-EMITTING MODULE LIGHTING CIRCUIT AND ILLUMINATING DEVICE
Publication number
20110169422
Publication date
Jul 14, 2011
Masanao Ookawa
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
LIGHT EMITTING DEVICE
Publication number
20110101875
Publication date
May 5, 2011
Panasonic Electric Works Co., Ltd.
Masanao Okawa
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
LIGHT CONTROL APPARATUS AND LIGHTING APPLIANCE USING THE SAME
Publication number
20100244704
Publication date
Sep 30, 2010
Panasonic Electric Works Co., Ltd.
Hirofumi Takaki
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
LIGHT CONTROL APPARATUS AND LIGHTING APPLIANCE USING THE SAME
Publication number
20100219768
Publication date
Sep 2, 2010
Panasonic Electric Works Co., Ltd.
Hirofumi Takaki
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
ORGANIC ELECTROLUMINESCENT LIGHT EMITTING DEVICE FOR RESTORING NORM...
Publication number
20100045193
Publication date
Feb 25, 2010
Hirofumi Konishi
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR