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Yasunori Kuratomi
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Kanagawa, JP
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last 30 patents
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Patent Grant
Projection optical system and image projection apparatus
Patent number
7,116,498
Issue date
Oct 3, 2006
Sony Corporation
Jun Nishikawa
G02 - OPTICS
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last 30 patents
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Patent Application
Projection optical system and image projection apparatus
Publication number
20050200974
Publication date
Sep 15, 2005
Jun Nishikawa
G02 - OPTICS