Yamauchi; Ryozo

Patent Applications and Registrations

Patent applications and USPTO patent grants for Yamauchi; Ryozo.The latest application filed is for "dispersion compensating optical fiber and dispersion compensating optical fiber module".

Company Profile

0.14.3

Yamauchi; Ryozo - Sakura JP
Yamauchi; Ryozo - Sakura-shi JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Dispersion compensating optical fiber and dispersion compensating optical fiber module Grant 7,496,261 - Aikawa , et al. February 24, 2	2009-02-24
Optical fiber and optical transmission system Grant 7,076,139 - Aikawa , et al. July 11, 2	2006-07-11
Polarization-maintaining optical fiber and polarization-maintaining optical fiber component Grant 7,050,672 - Matsumoto , et al. May 23, 2	2006-05-23
Dispersion compensating optical fiber and dispersion compensating optical fiber module App 20060062534 - Aikawa; Kazuhiko ; et al.	2006-03-23
Dispersion compensating optical fiber and dispersion compensating optical fiber module Grant 6,965,719 - Aikawa , et al. November 15, 2	2005-11-15
Multimode optical fiber with a higher order mode removing function Grant 6,535,678 - Yamauchi , et al. March 18, 2	2003-03-18
Dispersion compensating optical fiber and dispersion compensating optical fiber module App 20030049006 - Aikawa, Kazuhiko ; et al.	2003-03-13
Optical fiber grating and manufacturing method therefor Grant 6,298,183 - Yamauchi , et al. October 2, 2	2001-10-02
Optical fiber grating and manufacturing method thereof App 20010019643 - Yamauchi, Ryozo ; et al.	2001-09-06
Dispersion compensating optical fiber Grant 5,995,695 - Aikawa , et al. November 30, 1	1999-11-30
Optical waveguide grating and production method therefor Grant 5,949,934 - Shima , et al. September 7, 1	1999-09-07
Optical-fiber coupler and manufacturing process therefor Grant 5,848,208 - Suzuki , et al. December 8, 1	1998-12-08
Optical fiber filter Grant 5,732,170 - Okude , et al. March 24, 1	1998-03-24
Polarized wave holding optical fiber, production method therefor, connection method therefor, optical amplifier, laser oscillator and polarized wave holding optical fiber coupler Grant 5,689,578 - Yamauchi , et al. November 18, 1	1997-11-18
Solution doping of a silica preform with erbium, aluminum and phosphorus to form an optical fiber Grant 5,474,588 - Tanaka , et al. December 12, 1	1995-12-12
Method for splicing and reinforcing carbon coated optical fibers Grant 5,360,464 - Yamauchi , et al. * November 1, 1	1994-11-01
Optical fiber having a core with a repeatedly changing constitutional parameter Grant 5,267,339 - Yamauchi , et al. November 30, 1	1993-11-30

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