Sugaya; Yasushi

Patent Applications and Registrations

Patent applications and USPTO patent grants for Sugaya; Yasushi.The latest application filed is for "optical transmission system and optical transmission device".

Company Profile

0.86.74

Sugaya; Yasushi - Kawasaki JP
Sugaya; Yasushi - Tokyo JP
Sugaya; Yasushi - Kawasaki-shi JP
Sugaya; Yasushi - Kanagawa 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 transmission system and optical transmission device Grant 9,698,902 - Nakamura , et al. July 4, 2	2017-07-04
Optical Transmission System And Optical Transmission Device App 20150381272 - NAKAMURA; Kentaro ; et al.	2015-12-31
Optical transmission device and optical transmission system Grant 9,143,264 - Sugaya September 22, 2	2015-09-22
Controller which controls a variable optical attenuator to control the power level of a wavelength-multiplexed optical signal when the number of channels are varied Grant 9,007,680 - Sugaya , et al. April 14, 2	2015-04-14
Optical receiving device Grant 8,923,694 - Honda , et al. December 30, 2	2014-12-30
Multi-wavelength light amplifier Grant 8,699,126 - Sugaya , et al. April 15, 2	2014-04-15
Optical transmission system Grant 8,681,420 - Sugaya , et al. March 25, 2	2014-03-25
Controller Which Controls A Variable Optical Attenuator To Control The Power Level Of A Wavelength-multiplexed Optical Signal When The Number Of Channels Are Varied App 20140043675 - SUGAYA; Yasushi ; et al.	2014-02-13
WDM optical transmission system and control method thereof Grant 8,615,167 - Sugaya , et al. December 24, 2	2013-12-24
Manipulation Control Apparatus, Manipulation Control Program, And Manipulation Control Method App 20130268100 - Miyata; Satoru ; et al.	2013-10-10
Controller which controls a variable optical attenuator to control the power level of a wavelength-multiplexed optical signal when the number of channels are varied Grant 8,553,319 - Sugaya , et al. October 8, 2	2013-10-08
Control Method, Optical Transmission Device, And Control Device For Optical Transmission System, And Optical Transmission System App 20130251367 - Ishii; Shigeru ; et al.	2013-09-26
Optical Receiving Device App 20130216219 - Honda; Toshiki ; et al.	2013-08-22
Multi-wavelength Light Amplifier App 20130045007 - SUGAYA; Yasushi ; et al.	2013-02-21
Multi-wavelength light amplifier Grant 8,320,040 - Sugaya , et al. November 27, 2	2012-11-27
Distributed Raman amplifying system, start-up method thereof, and optical device Grant 8,248,689 - Kondoh , et al. August 21, 2	2012-08-21
Optical transmission apparatus, optical transmission method, and optical transceiver Grant 8,200,090 - Sakane , et al. June 12, 2	2012-06-12
Optical Transmission Device And Optical Transmission System App 20120106971 - SUGAYA; Yasushi	2012-05-03
Wdm Optical Transmission System And Control Method Thereof App 20120063771 - SUGAYA; Yasushi ; et al.	2012-03-15
Optical Transmission System App 20120002270 - SUGAYA; Yasushi ; et al.	2012-01-05
Wavelength division multiplex signal monitoring system and wavelength division multiplex transmission device equipped with the same Grant 8,068,730 - Kachita , et al. November 29, 2	2011-11-29
Optical amplifier Grant 8,064,130 - Nishihara , et al. November 22, 2	2011-11-22
Optical amplifier provided with control function of pumping light, and optical transmission system using the same Grant 8,054,455 - Sugaya , et al. November 8, 2	2011-11-08
Optical amplification apparatus, optical communication apparatus, and optical communication method Grant 8,049,955 - Onaka , et al. November 1, 2	2011-11-01
Multi-wavelength Light Amplifier App 20110262140 - SUGAYA; Yasushi ; et al.	2011-10-27
Controller Which Controls A Variable Optical Attenuator To Control The Power Level Of A Wavelength-multiplexed Optical Signal When The Number Of Channels Are Varied App 20110205620 - SUGAYA; Yasushi ; et al.	2011-08-25
Multi-wavelength light amplifier Grant 8,004,752 - Sugaya , et al. August 23, 2	2011-08-23
Transmission system and transmission method Grant 7,983,564 - Ooi , et al. July 19, 2	2011-07-19
Controller which controls a variable optical attenuator to control the power level of a wavelength-multiplexed optical signal when the number of channels are varied Grant 7,969,649 - Sugaya , et al. June 28, 2	2011-06-28
Gain control apparatus, optical transmission apparatus, gain control method for optical amplifier, and wavelength multiplex optical transmission system Grant 7,843,631 - Onaka , et al. November 30, 2	2010-11-30
Optical transmission apparatus and method of controlling the same Grant 7,813,642 - Muro , et al. October 12, 2	2010-10-12
Distributed Raman amplifier and WDM optical transmission system Grant 7,796,325 - Sugaya September 14, 2	2010-09-14
Optical amplifier provided with control function of pumping light, and optical transmission system using the same App 20100157416 - Sugaya; Yasushi ; et al.	2010-06-24
Optical transmission apparatus Grant 7,725,032 - Onaka , et al. May 25, 2	2010-05-25
Optical amplifier provided with control function of pumping light, and optical transmission system using the same Grant 7,719,758 - Sugaya , et al. May 18, 2	2010-05-18
Optical Transmission Apparatus, Optical Transmission Method, And Optical Transceiver App 20100067917 - SAKANE; Yuichiro ; et al.	2010-03-18
Method of upgrading optical node, and an optical node apparatus Grant 7,650,072 - Onaka , et al. January 19, 2	2010-01-19
Optical transmission apparatus Grant 7,650,074 - Sugaya January 19, 2	2010-01-19
Wavelength-division-multiplexing optical transmission system and control method thereof Grant 7,606,488 - Sugaya October 20, 2	2009-10-20
Method Of Upgrading Optical Node, And An Optical Node Apparatus App 20090226167 - Onaka; Miki ; et al.	2009-09-10
Multi-wavelength Light Amplifier App 20090225403 - SUGAYA; Yasushi ; et al.	2009-09-10
Optical amplifier provided with control function of pumping light, and optical transmission system using the same App 20090219609 - Sugaya; Yasushi ; et al.	2009-09-03
Optical amplification apparatus, optical communication apparatus, and optical communication method App 20090195863 - Onaka; Miki ; et al.	2009-08-06
Distributed Raman Amplifying System, Start-up Method Thereof, And Optical Device App 20090195862 - KONDOH; Masanori ; et al.	2009-08-06
Raman amplifier and wavelength division multiplexing optical communication system, and method of controlling raman amplification Grant 7,529,022 - Onaka , et al. May 5, 2	2009-05-05
Method of upgrading optical node, and an optical node apparatus Grant 7,522,839 - Onaka , et al. April 21, 2	2009-04-21
Controller Which Controls A Variable Optical Attenuator To Control The Power Level Of A Wavelength-multiplexed Optical Signal When The Number Of Channels Are Varied App 20090086310 - SUGAYA; Yasushi ; et al.	2009-04-02
Optical amplifier provided with control function of pumping light, and optical transmission system using the same Grant 7,505,197 - Sugaya , et al. March 17, 2	2009-03-17
Wavelength division multiplex signal monitoring system and wavelength division multiplex transmission device equipped with the same App 20090041456 - Kachita; Yoshito ; et al.	2009-02-12
Controller which controls a variable optical attenuator to control the power level of a wavelength-multiplexed optical signal when the number of channels are varied Grant 7,477,447 - Sugaya , et al. January 13, 2	2009-01-13
Multi-wavelength light amplifier Grant 7,474,459 - Sugaya , et al. January 6, 2	2009-01-06
Optical amplifier having wide dynamic range Grant 7,453,628 - Onaka , et al. November 18, 2	2008-11-18
Gain Control Apparatus, Optical Transmission Apparatus, Gain Control Method For Optical Amplifier, And Wavelength Multiplex Optical Transmission System App 20080239469 - ONAKA; Miki ; et al.	2008-10-02
Optical amplifier for amplifying multi-wavelength light Grant 7,417,791 - Onaka , et al. August 26, 2	2008-08-26
Transmission system and transmission method App 20080199182 - Ooi; Hiroki ; et al.	2008-08-21
Optical amplifier, optical amplification repeater and pump light supply control method Grant 7,400,441 - Muro , et al. July 15, 2	2008-07-15
Distributed Raman amplifier and WDM optical transmission system App 20080158658 - Sugaya; Yasushi	2008-07-03
Optical amplifier for wide band Raman amplification of wavelength division multiplexed (WDM) signal lights Grant 7,394,589 - Onaka , et al. July 1, 2	2008-07-01
Optical amplifier with pump light source control for Raman amplification Grant 7,362,499 - Hayashi , et al. April 22, 2	2008-04-22
Optical Transmission Apparatus And Method Of Controlling The Same App 20080080865 - Muro; Shinichirou ; et al.	2008-04-03
Method of upgrading optical node, and an optical node apparatus App 20080002978 - Onaka; Miki ; et al.	2008-01-03
Optical Amplifier, Optical Amplification Repeater And Pump Light Supply Control Method App 20070268569 - MURO; Shinichirou ; et al.	2007-11-22
Wavelength-division-multiplexing optical transmission system and control method thereof App 20070269215 - Sugaya; Yasushi	2007-11-22
Apparatus for detecting peaks of wavelength-division-multiplexed light, and apparatus for controlling said light Grant 7,295,780 - Sugaya November 13, 2	2007-11-13
Optical amplifier having polarization mode dispersion compensation function Grant 7,268,936 - Onaka , et al. September 11, 2	2007-09-11
Controller Which Controls A Variable Optical Attenuator To Control The Power Level Of A Wavelength-multiplexed Optical Signal When The Number Of Channels Are Varied App 20070201876 - SUGAYA; Yasushi	2007-08-30
Multi-wavelength Light Amplifier App 20070165299 - SUGAYA; Yasushi ; et al.	2007-07-19
Controller which controls a variable optical attenuator to control the power level of a wavelength-multiplexed optical signal when the number of channels are varied Grant 7,227,681 - Sugaya , et al. June 5, 2	2007-06-05
Multi-wavelength light amplifier Grant 7,224,517 - Sugaya , et al. May 29, 2	2007-05-29
Optical node Grant 7,212,333 - Sugaya May 1, 2	2007-05-01
Apparatus and method for amplification medium performance simulation, and optical amplifier Grant 7,212,335 - Nishihara , et al. May 1, 2	2007-05-01
Optical amplifier App 20070047067 - Onaka; Miki ; et al.	2007-03-01
Raman amplifier Grant 7,180,654 - Sugaya , et al. February 20, 2	2007-02-20
Control method of optical fiber amplifier and optical transmission system Grant 7,145,718 - Sugaya , et al. December 5, 2	2006-12-05
Optical transmission apparatus App 20060222366 - Sugaya; Yasushi	2006-10-05
Optical transmission apparatus App 20060222367 - Onaka; Miki ; et al.	2006-10-05
Optical amplifier with pump light source control for Raman amplification App 20060152796 - Hayashi; Etsuko ; et al.	2006-07-13
Optical amplifier and gain tilt compensation method Grant 7,072,100 - Nishihara , et al. July 4, 2	2006-07-04
Light amplifier and light amplifying method Grant 7,046,431 - Sugaya , et al. May 16, 2	2006-05-16
Optical amplifier with pump light source control for Raman amplification Grant 7,042,636 - Hayashi , et al. May 9, 2	2006-05-09
Optical node App 20060061855 - Sugaya; Yasushi	2006-03-23
Method and apparatus for measuring multi-path interference noise in optical amplifier Grant 6,999,177 - Muro , et al. February 14, 2	2006-02-14
Apparatus and method for amplification medium performance simulation, and optical amplifier App 20050254119 - Nishihara, Masato ; et al.	2005-11-17
Optical amplifier for amplifying multi-wavelength light App 20050248834 - Onaka, Miki ; et al.	2005-11-10
Control method of optical fiber amplifier and optical transmission system App 20050225843 - Sugaya, Yasushi ; et al.	2005-10-13
Optical amplifier for amplifying a wavelength division multiplexed (WDM) light including light in different wavelength bands Grant 6,943,940 - Kinoshita , et al. September 13, 2	2005-09-13
Optical amplifying apparatus, optical add/drop multiplexer, and optical amplifying method Grant 6,922,280 - Sugaya July 26, 2	2005-07-26
Optical amplifier for amplifying multi-wavelength light Grant 6,922,282 - Onaka , et al. July 26, 2	2005-07-26
Raman amplifier and wavelength division multiplexing optical communication system, and method of controlling raman amplification App 20050132785 - Onaka, Miki ; et al.	2005-06-23
Optical amplifier and method for amplifying wavelength multiplexed transmission signal light Grant 6,891,662 - Sugaya , et al. May 10, 2	2005-05-10
Optical amplifier with pump light source control for Raman amplification Grant 6,891,661 - Hayashi , et al. May 10, 2	2005-05-10
Optical amplifier for amplifying a wavelength division multiplexed (WDM) light including light in different wavelength bands Grant 6,891,663 - Kinoshita , et al. May 10, 2	2005-05-10
Apparatus for detecting peaks of wavelength-division-multiplexed light, and apparatus for controlling said light Grant 6,873,795 - Sugaya March 29, 2	2005-03-29
Optical amplification apparatus utilizing raman amplification and controlling method thereof Grant 6,873,455 - Sugaya , et al. March 29, 2	2005-03-29
Controller which controls a variable optical attenuator to control the power level of a wavelength-multiplexed optical signal when the number of channels are varied Grant 6,865,016 - Sugaya , et al. March 8, 2	2005-03-08
Controller which controls a variable optical attenuator to control the power level of a wavelength-multiplexed optical signal when the number of channels are varied App 20050046927 - Sugaya, Yasushi ; et al.	2005-03-03
Raman amplifier and wavelength division multiplexing optical communication system, and method of controlling raman amplification Grant 6,862,133 - Onaka , et al. March 1, 2	2005-03-01
Optical amplifier with pump light source control for Raman amplification App 20050024714 - Hayashi, Etsuko ; et al.	2005-02-03
Optical amplification apparatus using Raman amplification Grant 6,847,478 - Tanaka , et al. January 25, 2	2005-01-25
Optical amplifier having polarization mode dispersion compensation function App 20040246568 - Onaka, Miki ; et al.	2004-12-09
Method and device for optical amplification Grant 6,823,107 - Muro , et al. November 23, 2	2004-11-23
Optical amplifier provided with control function of pumping light, and optical transmission system using the same App 20040196158 - Sugaya, Yasushi ; et al.	2004-10-07
Optical amplifier for amplifying multi-wavelength light App 20040190125 - Onaka, Miki ; et al.	2004-09-30
Apparatus for detecting peaks of wavelength-division-multiplexed light, and apparatus for controlling said light App 20040175180 - Sugaya, Yasushi	2004-09-09
Optical amplifier for amplifying a wavelength division multiplexed (WDM) light including light in different wavelength bands Grant 6,768,578 - Kinoshita , et al. July 27, 2	2004-07-27
Optical amplifier for amplifying multi-wavelength light Grant 6,747,790 - Onaka , et al. June 8, 2	2004-06-08
Optical amplifier for amplifying multi-wavelength light Grant 6,738,184 - Hayashi , et al. May 18, 2	2004-05-18
Optical fiber amplifier Grant 6,738,182 - Inagaki , et al. May 18, 2	2004-05-18
Raman amplifier App 20040080812 - Sugaya, Yasushi ; et al.	2004-04-29
Optical amplifier with pump light source control for Raman amplification App 20040080813 - Hayashi, Etsuko ; et al.	2004-04-29
Controller which controls a variable optical attenuator to control the power level of a wavelength-multiplexed optical signal when the number of channels are varied App 20040036958 - Sugaya, Yasushi ; et al.	2004-02-26
Optical amplification apparatus using Raman amplification Grant 6,683,712 - Tanaka , et al. January 27, 2	2004-01-27
Optical amplifier App 20030234976 - Nishihara, Masato ; et al.	2003-12-25
Controller which controls a variable optical attenuator to control the power level of a wavelength-multiplexed optical signal when the number of channels are varied Grant 6,646,791 - Sugaya , et al. November 11, 2	2003-11-11
Optical amplification apparatus utilizing raman amplification and controlling method thereof App 20030193713 - Sugaya, Yasushi ; et al.	2003-10-16
Optical amplifier with pump light source control for raman amplification Grant 6,624,926 - Hayashi , et al. September 23, 2	2003-09-23
Multi-path interference light measuring method and apparatus App 20030169427 - Muro, Shinichirou ; et al.	2003-09-11
Raman amplifier and wavelength division multiplexing optical communication system, and method of controlling raman amplification App 20030137720 - Onaka, Miki ; et al.	2003-07-24
Optical amplifier for amplifying a wavelength division multiplexed (WDM) light including light in different wavelength bands App 20030123142 - Kinoshita, Susumu ; et al.	2003-07-03
Optical amplification apparatus utilizing Raman amplification and controlling method thereof Grant 6,577,437 - Sugaya , et al. June 10, 2	2003-06-10
Optical amplifier for wide band Raman amplification of wavelength division multiplexed (WDM) signal lights App 20030095323 - Onaka, Miki ; et al.	2003-05-22
Method and device for optical amplification App 20030063850 - Muro, Shinichirou ; et al.	2003-04-03
Optical amplifier and gain tilt compensation method App 20030039026 - Nishihara, Masato ; et al.	2003-02-27
Optical amplifier for wide band raman amplification of wavelength division multiplexed (WDM) signal lights Grant 6,510,000 - Onaka , et al. January 21, 2	2003-01-21
Multi-wavelength light amplifier App 20030002140 - Sugaya, Yasushi ; et al.	2003-01-02
Optical amplifier for amplifying a wavelength division multiplexed (WDM) light including light in different wavelength bands App 20020191275 - Kinoshita, Susumu ; et al.	2002-12-19
Optical amplifier for amplifying multi-wavelength light App 20020191276 - Onaka, Miki ; et al.	2002-12-19
Optical amplifier Grant 6,496,300 - Kinoshita , et al. December 17, 2	2002-12-17
Optical amplification apparatus using raman amplification App 20020181078 - Tanaka, Tomoto ; et al.	2002-12-05
Optical amplification apparatus utilizing raman amplification and controlling method thereof App 20020176154 - Sugaya, Yasushi ; et al.	2002-11-28
Optical amplifier Grant 6,483,636 - Sugaya , et al. November 19, 2	2002-11-19
Optical fiber amplifier App 20020141045 - Inagaki, Shinya ; et al.	2002-10-03
Optical amplifier for amplifying multi-wavelength light App 20020101652 - Hayashi, Etsuko ; et al.	2002-08-01
Optical amplifier and method for amplifying wavelength multiplexed transmission signal light App 20020093728 - Sugaya, Yasushi ; et al.	2002-07-18
Multi-wavelength light amplifier App 20020093726 - Sugaya, Yasushi ; et al.	2002-07-18
Controller which controls a variable optical attenuator to control the power level of a wavelength-multiplexed optical signal when the number of channels are varied App 20020067538 - Sugaya, Yasushi ; et al.	2002-06-06
Optical amplification apparatus utilizing Raman amplification and controlling method thereof Grant 6,388,801 - Sugaya , et al. May 14, 2	2002-05-14
Optical amplification apparatus using Raman amplification App 20020044336 - Tanaka, Tomoto ; et al.	2002-04-18
Optical Amplification Apparatus Utilizing Raman Amplification And Controlling Method Thereof App 20020041429 - Sugaya, Yasushi ; et al.	2002-04-11
Optical Amplifying Apparatus And Optical Communication System App 20020041431 - Ohshima, Chihiro ; et al.	2002-04-11
Optical Amplifier App 20020027703 - KINOSHITA, SUSUMU ; et al.	2002-03-07
Optical amplifier for amplifying light in a long wavelength band App 20020008900 - Sugaya, Yasushi ; et al.	2002-01-24
Multi-wavelength light amplifier App 20010046084 - Sugaya, Yasushi ; et al.	2001-11-29
Multi-wavelength light amplifier App 20010026395 - Sugaya, Yasushi ; et al.	2001-10-04
Controller which controls a variable optical attenuator to control the power level of a wavelength-multiplexed optical signal when the number of channels are varied App 20010017729 - Sugaya, Yasushi ; et al.	2001-08-30
Controller which controls a variable optical attenuator to control the power level of a wavelength-multiplexed optical signal when the number of channels are varied Grant 6,198,572 - Sugaya , et al. March 6, 2	2001-03-06
Controller which controls a variable optical attenuator to control the power level of a wavelength-multiplexed optical signal when the number of the channels are varied Grant 6,157,481 - Sugaya , et al. December 5, 2	2000-12-05
Controller which controls a variable optical attenuator to control the power level of a wavelength-multiplexed optical signal when the number of channels are varied Grant 6,144,485 - Sugaya , et al. November 7, 2	2000-11-07
Multi-wavelength light amplifier Grant 6,055,092 - Sugaya , et al. April 25, 2	2000-04-25
Doped fiber amplifier using bidirectional pumping with pump lights having different frequencies Grant 6,038,061 - Sugaya March 14, 2	2000-03-14
Doped fiber amplifier using bidirectional pumping with pump lights having different frequencies Grant 5,995,275 - Sugaya November 30, 1	1999-11-30
Multi-wavelength light amplifier Grant 5,995,274 - Sugaya , et al. November 30, 1	1999-11-30
Controller which controls a variable optical attenuator to control the power level of a wavelength-multiplexed optical signal when the number of channels are varied Grant 5,966,237 - Sugaya , et al. October 12, 1	1999-10-12
Remotely pumping type multi-wavelength light transmission system Grant 5,903,385 - Sugaya , et al. May 11, 1	1999-05-11
Optical amplifying apparatus Grant 5,737,118 - Sugaya , et al. April 7, 1	1998-04-07