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Tomoko Shikata
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Sakura-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Manufacturing method for optical coupler/splitter and method for ad...
Patent number
7,046,881
Issue date
May 16, 2006
Fujikura, Ltd.
Ken Sakuma
G02 - OPTICS
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last 30 patents
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Patent Application
Manufacturing method for optical coupler/splitter and method for ad...
Publication number
20030021536
Publication date
Jan 30, 2003
Ken Sakuma
G02 - OPTICS