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Kazusi Shibata
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Iwate, JP
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Patents Grants
last 30 patents
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Patent Grant
Polarization beam splitter and polarization conversion element
Patent number
7,961,392
Issue date
Jun 14, 2011
Ricoh Company, Ltd.
Ikuo Maeda
G02 - OPTICS
Patents Applications
last 30 patents
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Patent Application
POLARIZATION BEAM SPLITTER AND POLARIZATION CONVERSION ELEMENT
Publication number
20080158673
Publication date
Jul 3, 2008
Ikuo MAEDA
G02 - OPTICS