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Kenji Nishide
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Sakura, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Polarization-maintaining optical fiber and polarization-maintaining...
Patent number
7,050,672
Issue date
May 23, 2006
Fujikura Ltd.
Ryokichi Matsumoto
G02 - OPTICS
Information
Patent Grant
Slant short-period grating
Patent number
6,836,418
Issue date
Dec 28, 2004
Fujikura Ltd.
Akira Sakamoto
G02 - OPTICS
Information
Patent Grant
Optical fiber grating, optical fiber grating manufacturing method,...
Patent number
6,819,834
Issue date
Nov 16, 2004
Fujikura Ltd.
Yuu Ishii
G02 - OPTICS
Information
Patent Grant
Method of manufacturing polarization-maintaining optical fiber coupler
Patent number
6,463,195
Issue date
Oct 8, 2002
Fujikura Ltd.
Hideki Sasaki
G02 - OPTICS
Information
Patent Grant
Multiple wavelength excitation optical multiplexing device, multipl...
Patent number
6,459,829
Issue date
Oct 1, 2002
Ryozo Yamauchi
G02 - OPTICS
Information
Patent Grant
Optical fiber grating and manufacturing method thereof
Patent number
6,442,313
Issue date
Aug 27, 2002
Fujikura Ltd.
Ryozo Yamauchi
G02 - OPTICS
Information
Patent Grant
Optical fiber grating and manufacturing method therefor
Patent number
6,298,183
Issue date
Oct 2, 2001
Fujikura Ltd.
Ryozo Yamauchi
G02 - OPTICS
Information
Patent Grant
Manufacturing method for polarization maintaining optical fiber cou...
Patent number
5,024,501
Issue date
Jun 18, 1991
Fujikura Ltd.
Hiroyuki Taya
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
Optical fiber grating, optical fiber grating manufacturing method,...
Publication number
20050041923
Publication date
Feb 24, 2005
Yuu Ishii
G02 - OPTICS
Information
Patent Application
Slant short-period grating
Publication number
20030142912
Publication date
Jul 31, 2003
Akira Sakamoto
G02 - OPTICS
Information
Patent Application
Optical fiber grating, optical fiber grating manufacturing method,...
Publication number
20020025117
Publication date
Feb 28, 2002
Yuu Ishii
G02 - OPTICS
Information
Patent Application
Optical fiber grating and manufacturing method thereof
Publication number
20010019643
Publication date
Sep 6, 2001
Ryozo Yamauchi
G02 - OPTICS