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Yasunori Hiroshima
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Tokyo, JP
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last 30 patents
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Patent Grant
Cooling device for a liquid crystal panel
Patent number
5,170,195
Issue date
Dec 8, 1992
Pioneer Electronic Corporation
Masayuki Akiyama
G02 - OPTICS
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Patent Grant
Liquid crystal display apparatus providing improved illumination vi...
Patent number
5,151,801
Issue date
Sep 29, 1992
Pioneer Electronic Corporation
Yasunori Hiroshima
G02 - OPTICS