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Seiji Takeuchi
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Tucson, AZ, US
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last 30 patents
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Patent Grant
Diffractive optical element and method of manufacturing the same
Patent number
6,611,376
Issue date
Aug 26, 2003
Canon Kabushiki Kaisha
Eiichi Murakami
G02 - OPTICS
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Patent Grant
Optical arrangement for exposure apparatus
Patent number
6,295,118
Issue date
Sep 25, 2001
Canon Kabushiki Kaisha
Seiji Takeuchi
G02 - OPTICS