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Toshimi Kominato
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Ibaraki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Y branch circuit and method for manufacturing the same
Patent number
7,499,613
Issue date
Mar 3, 2009
NTT Electronics Corporation
Yasuhiro Hida
G02 - OPTICS
Information
Patent Grant
Optical waveguide circuit
Patent number
6,580,862
Issue date
Jun 17, 2003
Nippon Telegraph and Telephone Corporation
Toshimi Kominato
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
Y branch circuit and method for manufacturing the same
Publication number
20060278960
Publication date
Dec 14, 2006
Nippon Telegraph and Telephone Corporation
Yasuhiro Hida
G02 - OPTICS
Information
Patent Application
Optical waveguide circuit
Publication number
20020122650
Publication date
Sep 5, 2002
Toshimi Kominato
G02 - OPTICS