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Shigeki Nagasaka
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Osaka-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical module
Patent number
7,139,139
Issue date
Nov 21, 2006
Nippon Sheet Glass Co., Ltd.
Shigeki Nagasaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical module and method for producing the same
Patent number
6,974,264
Issue date
Dec 13, 2005
Nippon Sheet Glass Co., Ltd.
Kenichi Nakama
G02 - OPTICS
Information
Patent Grant
Method for aligning and assembling optical demultiplexer module, an...
Patent number
6,853,770
Issue date
Feb 8, 2005
Nippon Sheet Glass Co., Ltd.
Frank Xiaofan Zhu
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR ALIGNING AND ASSEMBLING OPTICAL DEMULTIPLEXER MODULE, AN...
Publication number
20040033026
Publication date
Feb 19, 2004
Frank Xiaofan Zhu
G02 - OPTICS
Information
Patent Application
Optical module
Publication number
20030147649
Publication date
Aug 7, 2003
Shigeki Nagasaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical module and method for producing the same
Publication number
20020131732
Publication date
Sep 19, 2002
Kenichi Nakama
G02 - OPTICS
Information
Patent Application
Optical communication monitor
Publication number
20020126339
Publication date
Sep 12, 2002
Yoshiro Sato
H04 - ELECTRIC COMMUNICATION TECHNIQUE