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Toshihisa Kurosawa
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical filtering module and optical devices using such optical fil...
Patent number
6,876,789
Issue date
Apr 5, 2005
Hoya Corporation
Kaoru Kagami
G02 - OPTICS
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Patent Grant
Optical filter module and optical apparatus using the same
Patent number
6,701,041
Issue date
Mar 2, 2004
Hoya Corporation
Kaoru Kagami
G02 - OPTICS
Patents Applications
last 30 patents
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Patent Application
Optical filtering module and optical devices using such optical fil...
Publication number
20020126955
Publication date
Sep 12, 2002
Kaoru Kagami
G02 - OPTICS
Information
Patent Application
Optical filter module and optical apparatus using the same
Publication number
20020122622
Publication date
Sep 5, 2002
Hoya Corporation
Kaoru Kagami
G02 - OPTICS