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Hirofumi Oosawa
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Osaka, JP
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Patents Grants
last 30 patents
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Patent Grant
Illumination device and display device
Patent number
9,690,034
Issue date
Jun 27, 2017
SHARP KABUSHIKI KAISHA
Ichiro Umekawa
G02 - OPTICS
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Patent Grant
Illumination device and display device
Patent number
9,671,547
Issue date
Jun 6, 2017
Sharp Kabushiki Kaisha
Ichiro Umekawa
G02 - OPTICS
Patents Applications
last 30 patents
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Patent Application
ILLUMINATION DEVICE AND DISPLAY DEVICE
Publication number
20150168631
Publication date
Jun 18, 2015
Sharp Kabushiki Kaisha
Ichiro Umekawa
G02 - OPTICS
Information
Patent Application
ILLUMINATION DEVICE AND DISPLAY DEVICE
Publication number
20150131309
Publication date
May 14, 2015
Sharp Kabushiki Kaisha
Ichiro Umekawa
G02 - OPTICS