Shukunami; Norifumi

Patent Applications and Registrations

Patent applications and USPTO patent grants for Shukunami; Norifumi.The latest application filed is for "controller and control method for raman amplifier".

Company Profile

6.53.46

Shukunami; Norifumi - Yokohama JP
Shukunami; Norifumi - Kawasaki N/A JP
Shukunami; Norifumi - Sapporo N/A JP
Shukunami; Norifumi - Kawasaki-shi JP
Shukunami; Norifumi - Sapporo-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
Controller And Control Method For Raman Amplifier App 20220045755 - Shukunami; Norifumi ; et al.	2022-02-10
Transmission device, reception device, transmission method, and reception method Grant 11,171,768 - Shukunami November 9, 2	2021-11-09
Transmission device, transmission system, and transmission method Grant 11,018,762 - Hasegawa , et al. May 25, 2	2021-05-25
Transmission Device, Transmission System, And Transmission Method App 20200389231 - HASEGAWA; Makoto ; et al.	2020-12-10
Transmission Device And Transmission Method App 20200382270 - Shukunami; Norifumi	2020-12-03
Wavelength converter, wavelength conversion method, and transmission device Grant 10,634,974 - Shukunami , et al.	2020-04-28
Optical transmission apparatus, optical transmission method, and optical transmission system Grant 10,608,775 - Komiya , et al.	2020-03-31
Wavelength Converter, Wavelength Conversion Method, And Transmission Device App 20190353980 - Shukunami; Norifumi ; et al.	2019-11-21
Optical Transmission Apparatus, Optical Transmission Method, And Optical Transmission System App 20190349113 - Komiya; Shinji ; et al.	2019-11-14
Optical transmission apparatus and optical signal processing method Grant 9,742,500 - Kachita , et al. August 22, 2	2017-08-22
Switchable optical amplifier and optical transmission apparatus Grant 9,699,531 - Shukunami , et al. July 4, 2	2017-07-04
Optical transmission device and optical transmission method Grant 9,531,496 - Yuki , et al. December 27, 2	2016-12-27
Optical amplifier with loss adjustment unit based on gain Grant 9,520,694 - Kachita , et al. December 13, 2	2016-12-13
Optical Transmission Apparatus And Optical Signal Processing Method App 20160315709 - KACHITA; Yoshito ; et al.	2016-10-27
Transmission device and transmission method Grant 9,444,572 - Kaneoka , et al. September 13, 2	2016-09-13
Transmitting device, communication system, and method for transmission level control Grant 9,438,343 - Shukunami , et al. September 6, 2	2016-09-06
Switchable Optical Amplifier And Optical Transmission Apparatus App 20160192043 - SHUKUNAMI; Norifumi ; et al.	2016-06-30
Transmission apparatus, transmission system, and method of controlling average optical input power Grant 9,300,426 - Matsukawa , et al. March 29, 2	2016-03-29
Optical amplification apparatus, method for controlling same, optical receiver station, and optical transmission system Grant 9,166,679 - Shukunami October 20, 2	2015-10-20
Optical Amplifier App 20150280391 - KACHITA; Yoshito ; et al.	2015-10-01
Transmission apparatus and transmission system Grant 9,093,816 - Shukunami , et al. July 28, 2	2015-07-28
Optical amplifier with feedback to obtain set gain and gain tilt Grant 9,065,570 - Shukunami , et al. June 23, 2	2015-06-23
Optical Transmission Device And Optical Transmission Method App 20150132009 - Yuki; Masahiro ; et al.	2015-05-14
Communication system, measuring apparatus, transmitting apparatus, and measurement method Grant 9,031,418 - Yuki , et al. May 12, 2	2015-05-12
Optical channel monitor Grant 8,983,298 - Shukunami March 17, 2	2015-03-17
Bidirectional monitor module, optical module, optical add-drop multiplexer, and optical system Grant 8,971,700 - Sakamoto , et al. March 3, 2	2015-03-03
Excitation light source for raman amplification, raman amplifier, and optical transmission system Grant 8,947,767 - Mori , et al. February 3, 2	2015-02-03
Optical transmission apparatus Grant 8,861,965 - Nakamura , et al. October 14, 2	2014-10-14
Transmission Apparatus, Transmission System, And Method Of Controlling Average Optical Input Power App 20140294378 - Matsukawa; Yoshinobu ; et al.	2014-10-02
Transmission Device And Transmission Method App 20140126903 - KANEOKA; Tomohiro ; et al.	2014-05-08
OSNR measuring device and optical communication system Grant 8,687,982 - Nakamura , et al. April 1, 2	2014-04-01
Transmitting Device, Communication System, And Method For Transmission Level Control App 20140079385 - SHUKUNAMI; Norifumi ; et al.	2014-03-20
OSNR monitor device and OSNR measurement device Grant 8,655,170 - Shukunami , et al. February 18, 2	2014-02-18
Bidirectional Monitor Module, Optical Module, Optical Add-drop Multiplexer, And Optical System App 20130330073 - SAKAMOTO; Takeshi ; et al.	2013-12-12
Gain and signal level adjustments of cascaded optical amplifiers Grant 8,547,629 - Inagaki , et al. October 1, 2	2013-10-01
Optical Channel Monitor App 20130243424 - SHUKUNAMI; Norifumi	2013-09-19
Dispersion compensating apparatus, dispersion compensating method, optical receiving apparatus, and optical receiving method Grant 8,538,264 - Yuki , et al. September 17, 2	2013-09-17
Excitation Light Source For Raman Amplification, Raman Amplifier, And Optical Transmission System App 20130162987 - Mori; Shota ; et al.	2013-06-27
Light Receiving Circuit And Bandwidth Control Method App 20120251102 - TERAYAMA; Yoshikazu ; et al.	2012-10-04
Optical Amplification Apparatus, Method For Controlling Same, Optical Receiver Station, And Optical Transmission System App 20120248287 - SHUKUNAMI; Norifumi	2012-10-04
Optical Amplification Apparatus App 20120188631 - SHUKUNAMI; Norifumi ; et al.	2012-07-26
Communication System, Measuring Apparatus, Transmitting Apparatus, And Measurement Method App 20120128351 - YUKI; Masahiro ; et al.	2012-05-24
Optical Transmission Apparatus App 20120106968 - NAKAMURA; Kentaro ; et al.	2012-05-03
Raman amplifier with signal modulated before stimulated brillouin scattering occurs Grant 8,134,775 - Suzuki , et al. March 13, 2	2012-03-13
Optical Amplifier And Light Receiving Device App 20120006977 - SHUKUNAMI; Norifumi ; et al.	2012-01-12
Transmission Apparatus And Transmission System App 20110317255 - SHUKUNAMI; NORIFUMI ; et al.	2011-12-29
Osnr Measuring Device And Optical Communication System App 20110311222 - Nakamura; Kentaro ; et al.	2011-12-22
Method for measuring nonlinear optical properties Grant 8,068,275 - Shukunami , et al. November 29, 2	2011-11-29
Signal Light Processing Apparatus, Light Transmission Apparatus, Wavelength Selection Switch, Wavelength Division Multiplexing Transmission System, And Signal Light Processing Method App 20110236023 - Shukunami; Norifumi ; et al.	2011-09-29
Gain And Signal Level Adjustments Of Cascaded Optical Amplifiers App 20110164309 - Inagaki; Shinya ; et al.	2011-07-07
Gain and signal level adjustments of cascaded optical amplifiers Grant 7,969,648 - Inagaki , et al. June 28, 2	2011-06-28
Multistage optical amplifier with gain control using pump ratio Grant 7,929,201 - Tsuzuki , et al. April 19, 2	2011-04-19
Gain and signal level adjustments of cascaded optical amplifiers Grant 7,924,499 - Inagaki , et al. April 12, 2	2011-04-12
Optical fiber reel Grant 7,899,296 - Shukunami , et al. March 1, 2	2011-03-01
Osnr Monitor Device And Osnr Measurement Device App 20100322622 - SHUKUNAMI; Norifumi ; et al.	2010-12-23
Dispersion Compensating Apparatus, Dispersion Compensating Method, Optical Receiving Apparatus, And Optical Receiving Method App 20100303459 - YUKI; Masahiro ; et al.	2010-12-02
Gain And Signal Level Adjustments Of Cascaded Optical Amplifiers App 20100272445 - INAGAKI; Shinya ; et al.	2010-10-28
Method for measuring nonlinear optical properties App 20100142945 - Shukunami; Norifumi ; et al.	2010-06-10
Method for measuring nonlinear optical properties, and optical amplifier and optical transmission system using same Grant 7,692,849 - Shukunami , et al. April 6, 2	2010-04-06
Optical Amplifier App 20090237779 - Suzuki; Yuichi ; et al.	2009-09-24
Optical amplifier App 20080316591 - Tsuzuki; Tatsuya ; et al.	2008-12-25
Optical Fiber Reel App 20080317426 - SHUKUNAMI; Norifumi ; et al.	2008-12-25
Optical amplifier for amplifying multi-wavelength light Grant 7,417,791 - Onaka , et al. August 26, 2	2008-08-26
Optical amplifier and control method for optical amplifier Grant 7,400,444 - Shukunami , et al. July 15, 2	2008-07-15
Method for measuring nonlinear optical properties, and optical amplifier and optical transmission system using same App 20080013162 - Shukunami; Norifumi ; et al.	2008-01-17
Optical fiber connecting portion structure and light monitor apparatus Grant 7,296,940 - Shukunami , et al. November 20, 2	2007-11-20
Optical amplifier using reflection-type variable optical attenuator for feedback Grant 7,209,284 - Shukunami , et al. April 24, 2	2007-04-24
Optical fiber connecting portion structure and light monitor apparatus App 20070036499 - Shukunami; Norifumi ; et al.	2007-02-15
Optical amplifier and optical fiber App 20060291036 - Shukunami; Norifumi ; et al.	2006-12-28
Gain and signal level adjustments of cascaded optical amplifiers App 20060198017 - Inagaki; Shinya ; et al.	2006-09-07
Gain and signal level adjustments of cascaded optical amplifiers Grant 7,061,666 - Inagaki , et al. June 13, 2	2006-06-13
Optical apparatus App 20050270635 - Shukunami, Norifumi ; et al.	2005-12-08
Optical amplifier for amplifying multi-wavelength light App 20050248834 - Onaka, Miki ; et al.	2005-11-10
Optical amplifier amplifying wavelength multiplexed light, and wavelength multiplexed light communications system Grant 6,903,324 - Tomofuji , et al. June 7, 2	2005-06-07
Optical amplifier and control method for optical amplifier App 20050105170 - Shukunami, Norifumi ; et al.	2005-05-19
Optical amplifier and method for amplifying wavelength multiplexed transmission signal light Grant 6,891,662 - Sugaya , et al. May 10, 2	2005-05-10
Light source apparatus, optical amplifier and optical communication system Grant 6,856,455 - Naganuma , et al. February 15, 2	2005-02-15
Optical amplifier for amplifying multi-wavelength light Grant 6,747,790 - Onaka , et al. June 8, 2	2004-06-08
Optical fiber amplifier Grant 6,738,182 - Inagaki , et al. May 18, 2	2004-05-18
Gain and signal level adjustments of cascaded optical amplifiers App 20030189751 - Inagaki, Shinya ; et al.	2003-10-09
Gain and signal level adjustments of cascaded optical amplifiers Grant 6,603,596 - Inagaki , et al. August 5, 2	2003-08-05
Optical amplifier App 20030106990 - Tomofuji, Hiroaki ; et al.	2003-06-12
Light source apparatus, optical amplifier and optical communication system App 20030016721 - Naganuma, Norihisa ; et al.	2003-01-23
Optical amplifier for amplifying multi-wavelength light App 20020191276 - Onaka, Miki ; et al.	2002-12-19
Optical fiber amplifier App 20020141045 - Inagaki, Shinya ; et al.	2002-10-03
Optical amplifier and method for amplifying wavelength multiplexed transmission signal light App 20020093728 - Sugaya, Yasushi ; et al.	2002-07-18
Gain And Signal Level Adjustments Of Cascaded Optical Amplifiers App 20020060837 - INAGAKI, SHINYA ; et al.	2002-05-23
Optical amplifying fiber and forming method for fiber grating Grant 6,134,046 - Shukunami , et al. October 17, 2	2000-10-17
Optically amplifying fiber and optical fiber amplifier Grant 5,970,198 - Inagaki , et al. October 19, 1	1999-10-19
Wavelength-division-multiplexing optical amplifier Grant 5,764,404 - Yamane , et al. June 9, 1	1998-06-09

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