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Masasuke Yoshida
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Kanagawa, JP
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last 30 patents
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Patent Grant
Polarized total internal reflection illumination optical system by...
Patent number
7,486,440
Issue date
Feb 3, 2009
Japan Science and Technology Agency
Masasuke Yoshida
G02 - OPTICS
Patents Applications
last 30 patents
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Patent Application
Polarized Total Internal Reflection Illumination Optical System by...
Publication number
20080062513
Publication date
Mar 13, 2008
Masasuke Yoshida
G02 - OPTICS