Kawazawa; Toshio

Patent Applications and Registrations

Patent applications and USPTO patent grants for Kawazawa; Toshio.The latest application filed is for "gain profile measuring method and system and gain profile controlling method and system".

Company Profile

0.9.8

Kawazawa; Toshio - Tokyo 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
Optical repeating system and optical amplifying repeater control method Grant 7,158,728 - Kasahara , et al. January 2, 2	2007-01-02
Optical repeating system and optical amplifying repeater control method Grant 7,130,544 - Kasahara , et al. October 31, 2	2006-10-31
Gain profile measuring method and system and gain profile controlling method and system Grant 7,009,693 - Takashina , et al. March 7, 2	2006-03-07
Optical repeating system and optical amplifying repeater control method Grant 6,914,718 - Kasahara , et al. July 5, 2	2005-07-05
Supervisory system of optical amplifier repeater system and supervisory method of optical amplifier repeater system Grant 6,804,469 - Kasahara , et al. October 12, 2	2004-10-12
Gain profile measuring method and system and gain profile controlling method and system App 20030231888 - Takashina, Kiyoaki ; et al.	2003-12-18
Apparatus and method for measuring optical characteristics and recording medium Grant 6,654,104 - Kimura , et al. November 25, 2	2003-11-25
Measuring system of transmission characteristics Grant 6,594,003 - Horiuchi , et al. July 15, 2	2003-07-15
Optical repeating system and optical amplifying repeater control method App 20030011879 - Kasahara, Yasunori ; et al.	2003-01-16
Optical repeating system and optical amplifying repeater control method App 20030011856 - Kasahara, Yasunori ; et al.	2003-01-16
Optical repeating system and optical amplifying repeater control method App 20030011857 - Kasahara, Yasunori ; et al.	2003-01-16
Apparatus and method for measuring optical characteristics and recording medium App 20020044273 - Kimura, Eiji ; et al.	2002-04-18
Apparatus and method for measuring optical characteristics and recording medium App 20020044274 - Kimura, Eiji ; et al.	2002-04-18
Supervisory system of optical amplifier repeater system and supervisory method of optical amplifier repeater system App 20020021473 - Kasahara, Yasunori ; et al.	2002-02-21
Gain equalizer App 20020009253 - Kawazawa, Toshio	2002-01-24
Optical transmission system, optically branching apparatus and optical signal processing apparatus Grant 6,327,060 - Otani , et al. December 4, 2	2001-12-04
Demultiplexer device for wavelength-division multiplexed optical fiber communication Grant 6,115,156 - Otani , et al. September 5, 2	2000-09-05

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