Kagawa; Masatoshi

Patent Applications and Registrations

Patent applications and USPTO patent grants for Kagawa; Masatoshi.The latest application filed is for "apparatus for monitoring optical signal quality specifically applicable to nrz optical signals".

Company Profile

0.11.10

Kagawa; Masatoshi - Tokyo N/A 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
Apparatus for monitoring optical signal quality specifically applicable to NRZ optical signals Grant 8,494,361 - Kagawa July 23, 2	2013-07-23
Optical signal generator Grant 8,208,819 - Kagawa , et al. June 26, 2	2012-06-26
Optical-time-division-multiplexing differential phase shift keying signal generating apparatus Grant 8,165,473 - Kagawa April 24, 2	2012-04-24
Optical signal quality monitor for a high-bit rate signal Grant 8,121,475 - Kagawa February 21, 2	2012-02-21
OTDM-DPSK signal generator capable of detecting an optical carrier phase difference between optical pulses Grant 7,974,542 - Kagawa July 5, 2	2011-07-05
Optical time division multiplexing transmitter Grant 7,957,646 - Kagawa June 7, 2	2011-06-07
Apparatus for monitoring optical signal quality specifically applicable to NRZ optical signals App 20110076011 - Kagawa; Masatoshi	2011-03-31
Optical element integrated module Grant 7,903,976 - Tsuji , et al. March 8, 2	2011-03-08
Device for monitoring the quality of an optical signal by filtering its beat component Grant 7,877,010 - Kagawa January 25, 2	2011-01-25
Optical signal generator App 20100247097 - Kagawa; Masatoshi ; et al.	2010-09-30
System and method for controlling a difference in optical phase and an optical signal transmitter Grant 7,783,203 - Kagawa August 24, 2	2010-08-24
Optical-time-division-multiplexing differential phase shift keying signal generating apparatus App 20100021175 - Kagawa; Masatoshi	2010-01-28
Bidirectional time division multiplexing optical communication system Grant 7,630,640 - Kagawa , et al. December 8, 2	2009-12-08
Optical signal quality monitor for a high-bit rate signal App 20090016712 - Kagawa; Masatoshi	2009-01-15
Optical element integrated module App 20080260384 - Tsuji; Hiromi ; et al.	2008-10-23
Device for monitoring the quality of an optical signal by filtering its beat component App 20080080856 - Kagawa; Masatoshi	2008-04-03
OTDM-DPSK signal generator capable of detecting an optical carrier phase difference between optical pulses App 20080080859 - KAGAWA; Masatoshi	2008-04-03
System and method for controlling a difference in optical phase and an optical signal transmitter App 20070165679 - Kagawa; Masatoshi	2007-07-19
Optical communication system App 20060269291 - Kagawa; Masatoshi ; et al.	2006-11-30
Optical time division multiplexing transmitter App 20060159458 - Kagawa; Masatoshi	2006-07-20

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