Akasaka; Youichi

Patent Applications and Registrations

Patent applications and USPTO patent grants for Akasaka; Youichi.The latest application filed is for "optical amplification in an optical network".

Company Profile

9.62.48

Akasaka; Youichi - Plano TX
Akasaka; Youichi - Allen TX
Akasaka; Youichi - Tokyo JP
Akasaka; Youichi - Foster City CA
Akasaka; Youichi - Chiyoda-ku JP
Akasaka; Youichi - San Jose CA
Akasaka; Youichi - Ichihara JP
Akasaka; Youichi - Ichihara-shi Chiba JP
Akasaka; Youichi - 4-chome Ichihara-shi Chiba 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 amplification in an optical network Grant 11,438,086 - Akasaka , et al. September 6, 2	2022-09-06
Low-noise Raman amplifier Grant 11,189,986 - Akasaka , et al. November 30, 2	2021-11-30
Optical system for compensating for signal loss Grant 11,121,797 - Akasaka , et al. September 14, 2	2021-09-14
Optical Amplification In An Optical Network App 20210226719 - Akasaka; Youichi ; et al.	2021-07-22
Optical system for compensating for signal loss Grant 11,032,004 - Akasaka , et al. June 8, 2	2021-06-08
Suppressing Signal Noise On An Optical Fiber App 20210083450 - Akasaka; Youichi ; et al.	2021-03-18
Phase shifter for an optical phase-sensitive amplifier Grant 10,847,945 - Akasaka , et al. November 24, 2	2020-11-24
Low-noise Raman Amplifier App 20200099193 - Akasaka; Youichi ; et al.	2020-03-26
Controlling gain modulation in optical communication networks Grant 10,523,334 - Akasaka , et al. Dec	2019-12-31
Optical phase-sensitive amplifier with signal noise removal Grant 10,498,102 - Akasaka , et al. De	2019-12-03
Phase Shifter For An Optical Phase-sensitive Amplifier App 20190214782 - Akasaka; Youichi ; et al.	2019-07-11
Intra data center optical switching Grant 10,349,154 - Akasaka , et al. July 9, 2	2019-07-09
Harmonic generation and phase sensitive amplification using a bragg reflection waveguide Grant 10,256,911 - Kim , et al.	2019-04-09
Intra Data Center Optical Switching App 20190075378 - Akasaka; Youichi ; et al.	2019-03-07
Optical Phase-sensitive Amplifier With Signal Noise Removal App 20180366900 - Akasaka; Youichi ; et al.	2018-12-20
Low noise colorless, directionless, contentionless reconfigurable optical add/drop multiplexer Grant 10,050,738 - Akasaka , et al. August 14, 2	2018-08-14
Low Noise Colorless, Directionless, Contentionless Reconfigurable Optical Add/drop Multiplexer App 20180212701 - Akasaka; Youichi ; et al.	2018-07-26
Optical phase-sensitive amplifier with fiber bragg grating phase shifter Grant 9,997,887 - Akasaka , et al. June 12, 2	2018-06-12
Harmonic Generation And Phase Sensitive Amplification Using A Bragg Reflection Waveguide App 20180159629 - Kim; Inwoong ; et al.	2018-06-07
Harmonic generation and phase sensitive amplification using a bragg reflection waveguide Grant 9,923,634 - Kim , et al. March 20, 2	2018-03-20
Low-noise optical phase sensitive amplifier using a semiconductor nonlinear optical device Grant 9,843,410 - Yang , et al. December 12, 2	2017-12-12
Optical phase-sensitive amplifier with raman amplifier intermediate stage Grant 9,837,788 - Akasaka , et al. December 5, 2	2017-12-05
Low-noise Optical Phase Sensitive Amplifier Using A Semiconductor Nonlinear Optical Device App 20170141871 - Yang; Jeng-Yuan ; et al.	2017-05-18
Harmonic Generation And Phase Sensitive Amplification Using A Bragg Reflection Waveguide App 20170085322 - Kim; Inwoong ; et al.	2017-03-23
Mitigation of spectral offset in an optical filter Grant 9,515,733 - Akasaka , et al. December 6, 2	2016-12-06
In-band optical signal-to-noise ratio monitor Grant 9,515,727 - Yang , et al. December 6, 2	2016-12-06
Optical Phase-sensitive Amplifier With Raman Amplifier Intermediate Stage App 20160261088 - Akasaka; Youichi ; et al.	2016-09-08
Mitigation Of Spectral Offset In An Optical Filter App 20160261343 - Akasaka; Youichi ; et al.	2016-09-08
In-band Optical Signal-to-noise Ratio Monitor App 20160261340 - Yang; Jeng-Yuan ; et al.	2016-09-08
Raman amplifier, optical repeater, and Raman amplification method Grant 9,281,654 - Akasaka , et al. March 8, 2	2016-03-08
Correction table for interferometric optical signal-to-noise ratio monitor Grant 9,270,369 - Yang , et al. February 23, 2	2016-02-23
Amplitude noise squeezing on multi-amplitude modulated signals Grant 9,252,881 - Akasaka , et al. February 2, 2	2016-02-02
Dual-polarization interferometric optical signal-to-noise ratio monitor Grant 9,112,605 - Yang , et al. August 18, 2	2015-08-18
Correction Table For Interferometric Optical Signal-to-noise Ration Monitor App 20150200724 - Yang; Jeng-Yuan ; et al.	2015-07-16
Dual-polarization Interferometric Optical Signal-to-noise Ratio Monitor App 20140369678 - Yang; Jeng-Yuan ; et al.	2014-12-18
Optical QPSK signal regeneration and amplification Grant 8,909,063 - Yang , et al. December 9, 2	2014-12-09
Optical signal regeneration and amplification of M-PSK and M-QAM modulation formats using reconfigurable wavelength selective processors and phase-sensitive amplifiers Grant 8,909,062 - Yang , et al. December 9, 2	2014-12-09
Amplitude Noise Squeezing On Multi-amplitude Modulated Signals App 20140355105 - Akasaka; Youichi ; et al.	2014-12-04
Method and system of automatic regeneration of optical signals Grant 8,873,950 - Akasaka October 28, 2	2014-10-28
Method and system for automatic lane negotiation in an optical network Grant 8,798,454 - Akasaka August 5, 2	2014-08-05
Optical Qpsk Signal Regeneration And Amplification App 20140119743 - Yang; Jeng-Yuan ; et al.	2014-05-01
System and method for compensating for polarization dependent loss Grant 8,705,167 - Akasaka April 22, 2	2014-04-22
System and Method for Splicing Optical Fibers in Order to Mitigate Polarization Dependent Splice Loss App 20140102148 - Akasaka; Youichi	2014-04-17
Method and System for Reducing Noise Associated with Optical Signals App 20140037290 - Akasaka; Youichi	2014-02-06
Raman Amplifier, Optical Repeater, And Raman Amplification Method App 20130286468 - AKASAKA; Youichi ; et al.	2013-10-31
Optical Signal Regeneration And Amplification Of M-psk And M-qam Modulation Formats Using Reconfigurable Wavelength Selective Processors And Phase-sensitive Amplifiers App 20130272702 - Yang; Jeng-yuan ; et al.	2013-10-17
System and method for reducing polarization dependent loss Grant 8,543,006 - Vassilieva , et al. September 24, 2	2013-09-24
Raman amplifier, optical repeater, and Raman amplification method Grant 8,437,074 - Akasaka , et al. May 7, 2	2013-05-07
Method And System Of Automatic Regeneration Of Optical Signals App 20130084064 - Akasaka; Youichi	2013-04-04
Optical amplifier card with pluggable pump laser modules Grant 8,284,479 - Akasaka , et al. October 9, 2	2012-10-09
System And Method For Reducing Polarization Dependent Loss App 20120063783 - Vassilieva; Olga I. ; et al.	2012-03-15
System And Method For Compensating For Polarization Dependent Loss App 20120050846 - Akasaka; Youichi	2012-03-01
System and method for communicating wireless data utilizing a passive optical network Grant 8,107,815 - Akasaka , et al. January 31, 2	2012-01-31
Method And System For Automatic Lane Negotiation In An Optical Network App 20110317994 - Akasaka; Youichi	2011-12-29
Raman Amplifier, Optical Repeater, And Raman Amplification Method App 20110141553 - AKASAKA; Youichi ; et al.	2011-06-16
Optical Amplifier Card with Pluggable Pump Laser Modules App 20110043897 - Akasaka; Youichi ; et al.	2011-02-24
Optical amplification in the 850 nm window Grant 7,742,224 - Akasaka June 22, 2	2010-06-22
Raman amplifier, optical repeater, and Raman amplification method Grant 7,692,852 - Akasaka , et al. April 6, 2	2010-04-06
Raman Amplifier, Optical Repeater, And Raman Amplification Method App 20100067099 - AKASAKA; Youichi ; et al.	2010-03-18
Polarization mode dispersion mitigation of multiple optical communication channels Grant 7,623,798 - Akasaka November 24, 2	2009-11-24
System and Method for Communicating Wireless Data Utilizing a Passive Optical Network App 20090245805 - Akasaka; Youichi ; et al.	2009-10-01
Selecting Wavelengths And Routes In An Optical Network App 20090214202 - Akasaka; Youichi ; et al.	2009-08-27
Wavelength shifting in an optical network route to mitigate distortion in different types of fiber Grant 7,565,083 - Akasaka July 21, 2	2009-07-21
Raman amplifier, optical repeater, and raman amplification method Grant 7,548,368 - Akasaka , et al. June 16, 2	2009-06-16
System and Method for Protecting an Optical Network App 20080138063 - Akasaka; Youichi ; et al.	2008-06-12
Adding wavelengths to an optical communication network Grant 7,352,973 - Akasaka , et al. April 1, 2	2008-04-01
System and Method for Managing Power in an Optical Network App 20070280690 - Bouda; Martin ; et al.	2007-12-06
Raman Amplifier, Optical Repeater, And Raman Amplification Method App 20070247701 - Akasaka; Youichi ; et al.	2007-10-25
Distributed raman amplification Grant 7,274,503 - Akasaka September 25, 2	2007-09-25
Distributed and discrete amplification of optical signals Grant 7,158,287 - Akasaka January 2, 2	2007-01-02
Optical amplification of CWDM channels using optical amplifiers having fluoride-based optical fiber Grant 7,088,498 - Akasaka August 8, 2	2006-08-08
Optical amplification producing wider total gain bandwidth Grant 7,039,283 - Akasaka May 2, 2	2006-05-02
Optical signal amplification using multiple backward-pumping systems Grant 7,038,839 - Akasaka May 2, 2	2006-05-02
Polarization mode dispersion outage mitigation Grant 6,996,308 - Akasaka February 7, 2	2006-02-07
Optical amplification of CWDM channels using optical amplifiers having fluoride-based optical fiber App 20050286120 - Akasaka, Youichi	2005-12-29
Optical amplification producing wider total gain bandwidth App 20050232559 - Akasaka, Youichi	2005-10-20
Discrete amplification of an optical signal Grant 6,876,488 - Akasaka April 5, 2	2005-04-05
Distributed raman amplification App 20050052728 - Akasaka, Youichi	2005-03-10
Distributed and discrete amplification of optical signals App 20040190118 - Akasaka, Youichi	2004-09-30
Raman amplifier, optical repeater, and raman amplification method App 20040190909 - Akasaka, Youichi ; et al.	2004-09-30
Optical communication link Grant 6,795,608 - Akasaka , et al. September 21, 2	2004-09-21
Raman amplifier, optical repeater, and raman amplification method Grant 6,775,057 - Akasaka , et al. August 10, 2	2004-08-10
Raman amplifier, optical repeater, and Raman amplification method Grant 6,654,162 - Akasaka , et al. November 25, 2	2003-11-25
Raman amplifier, optical repeater, and Raman amplification method Grant 6,646,787 - Akasaka , et al. November 11, 2	2003-11-11
Raman amplifier, optical repeater, and raman amplification method Grant 6,636,344 - Akasaka , et al. October 21, 2	2003-10-21
Optical communication link App 20030081889 - Akasaka, Youichi ; et al.	2003-05-01
Raman amplifier, optical repeater, and raman amplification method App 20030058524 - Akasaka, Youichi ; et al.	2003-03-27
Raman amplifier, optical repeater, and Raman amplification method App 20030053199 - Akasaka, Youichi ; et al.	2003-03-20
Raman amplifier, optical repeater, and raman amplification method Grant 6,501,593 - Akasaka , et al. December 31, 2	2002-12-31
Raman amplifier, optical repeater, and raman amplification method App 20020085267 - Akasaka, Youichi ; et al.	2002-07-04
Raman amplifier, optical repeater, and Raman amplification method App 20020021487 - Akasaka, Youichi ; et al.	2002-02-21
Raman amplifier, optical repeater, and raman amplification method App 20010046083 - Akasaka, Youichi ; et al.	2001-11-29
Raman amplifier, optical repeater, and raman amplification method Grant 6,292,288 - Akasaka , et al. September 18, 2	2001-09-18
Dispersion shifted optical fiber Grant 6,175,680 - Arai , et al. January 16, 2	2001-01-16
Wavelength division multiplex communication link for optical transmission Grant 5,995,694 - Akasaka , et al. November 30, 1	1999-11-30
Dispersion compensating optical fiber Grant 5,887,104 - Sugizaki , et al. March 23, 1	1999-03-23
Dispension shift optical fiber and wavelength division multiplex transmission system using the same Grant 5,854,871 - Akasaka December 29, 1	1998-12-29
Stimulated brillouin scattering suppressed optical fiber Grant 5,848,215 - Akasaka , et al. December 8, 1	1998-12-08
Dispersion compensating optical fiber Grant 5,673,354 - Akasaka , et al. September 30, 1	1997-09-30
Dispersion compensating optical fiber for wavelength multiplex transmission and method using same Grant 5,568,583 - Akasaka , et al. October 22, 1	1996-10-22

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