Ooi; Hiroki

Patent Applications and Registrations

Patent applications and USPTO patent grants for Ooi; Hiroki.The latest application filed is for "in-band optical signal-to-noise ratio monitor".

Company Profile

0.81.64

Ooi; Hiroki - Kawasaki JP
Ooi, Hiroki - Kawasaki-shi JP
Ooi; Hiroki - Kanagawa JP
Ooi; Hiroki - Nakahara-ku Kawasaki-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
In-band optical signal-to-noise ratio monitor Grant 9,515,727 - Yang , et al. December 6, 2	2016-12-06
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 App 20160261340 - Yang; Jeng-Yuan ; et al.	2016-09-08
Mitigation Of Spectral Offset In An Optical Filter App 20160261343 - Akasaka; Youichi ; et al.	2016-09-08
Correction table for interferometric optical signal-to-noise ratio monitor Grant 9,270,369 - Yang , et al. February 23, 2	2016-02-23
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
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 adding and dropping device and optical transmission apparatus Grant 8,958,695 - Ooi , et al. February 17, 2	2015-02-17
Optical network interconnect device Grant 8,948,593 - Ooi February 3, 2	2015-02-03
Dual-polarization Interferometric Optical Signal-to-noise Ratio Monitor App 20140369678 - Yang; Jeng-Yuan ; et al.	2014-12-18
Optical transmitting apparatus, optical receiving apparatus, and optical communication system comprising them Grant 8,867,927 - Akiyama , et al. October 21, 2	2014-10-21
Wavelength selective switch and optical transmission apparatus Grant 8,849,113 - Ooi September 30, 2	2014-09-30
Optical transmitter, optical transmission method, and wavelength-selective variable delayer Grant 8,625,996 - Tanaka , et al. January 7, 2	2014-01-07
Optical signal processing apparatus Grant 8,331,779 - Ooi , et al. December 11, 2	2012-12-11
Optical transmission apparatus Grant 8,320,772 - Ooi , et al. November 27, 2	2012-11-27
Dispersion compensating apparatus and dispersion compensating method Grant 8,306,430 - Miura , et al. November 6, 2	2012-11-06
Optical transmission apparatus Grant 8,295,703 - Miura , et al. October 23, 2	2012-10-23
Wavelength Selective Switch And Optical Transmission Apparatus App 20120237219 - OOI; Hiroki	2012-09-20
Optical transmission system and method for chromatic dispersion compensation Grant 8,265,485 - Nakamura , et al. September 11, 2	2012-09-11
Optical Amplification Apparatus App 20120188631 - SHUKUNAMI; Norifumi ; et al.	2012-07-26
Optical Transmitter, Optical Transmission Method, And Wavelength-selective Variable Delayer App 20120170928 - TANAKA; Toshiki ; et al.	2012-07-05
Optical transmission apparatus, wavelength division multiplexing optical communication system and optical transmission method Grant 8,213,798 - Ooi , et al. July 3, 2	2012-07-03
Optical Transmitting Apparatus, Optical Receiving Apparatus, And Optical Communication System Comprising Them App 20120082465 - Akiyama; Yuichi ; et al.	2012-04-05
Optical Network Interconnect Device App 20120082454 - OOI; Hiroki	2012-04-05
Optical add/drop multiplexer Grant 8,131,152 - Akiyama , et al. March 6, 2	2012-03-06
Optical Transmission Apparatus App 20110176816 - OOI; Hiroki ; et al.	2011-07-21
Transmission system and transmission method Grant 7,983,564 - Ooi , et al. July 19, 2	2011-07-19
Control apparatus and control method for optical modulator Grant 7,945,173 - Akiyama , et al. May 17, 2	2011-05-17
Chromatic dispersion compensating apparatus Grant 7,936,993 - Ooi , et al. May 3, 2	2011-05-03
Optical cross-connect using wavelength selective switches Grant 7,933,519 - Akiyama , et al. April 26, 2	2011-04-26
Optical transmission apparatus Grant 7,925,171 - Ooi , et al. April 12, 2	2011-04-12
Optical transmission system, optical transmission equipment, and chromatic dispersion compensation method App 20110058820 - Ooi; Hiroki	2011-03-10
Optical Add/Drop Multiplexer App 20110038636 - AKIYAMA; Yuichi ; et al.	2011-02-17
Dispersion compensation method and compensation node Grant 7,885,545 - Ooi , et al. February 8, 2	2011-02-08
Dispersion compensating apparatus and dispersion compensation control method Grant 7,869,715 - Ooi , et al. January 11, 2	2011-01-11
Optical add/drop multiplexer Grant 7,853,148 - Akiyama , et al. December 14, 2	2010-12-14
Optical transmitting apparatus and optical communication system Grant 7,848,659 - Miura , et al. December 7, 2	2010-12-07
Optical transmitting apparatus, optical receiving apparatus, and optical communication system comprising them Grant 7,817,923 - Akiyama , et al. October 19, 2	2010-10-19
Control apparatus and control method for optical modulator App 20100254716 - Akiyama; Yuichi ; et al.	2010-10-07
Optical add/drop multiplexer Grant 7,792,428 - Akiyama , et al. September 7, 2	2010-09-07
Optical signal processing apparatus App 20100221002 - Ooi; Hiroki ; et al.	2010-09-02
Optical Transmission Apparatus, Wavelength Division Multiplexing Optical Communication System And Optical Transmission Method App 20100221013 - OOI; Hiroki ; et al.	2010-09-02
Optical transmitter Grant 7,778,553 - Yuki , et al. August 17, 2	2010-08-17
Chromatic dispersion monitoring method and chromatic dispersion monitoring apparatus, and optical transmission system Grant 7,769,299 - Ooi , et al. August 3, 2	2010-08-03
Chromatic dispersion compensating apparatus Grant 7,751,706 - Ooi , et al. July 6, 2	2010-07-06
Control apparatus and control method for optical modulator Grant 7,734,192 - Akiyama , et al. June 8, 2	2010-06-08
Chromatic dispersion compensating apparatus App 20100135664 - Ooi; Hiroki ; et al.	2010-06-03
Dispersion compensation controlling apparatus and method for searching for amount of dispersion control Grant 7,729,619 - Noheji , et al. June 1, 2	2010-06-01
Optical transmission apparatus Grant 7,725,032 - Onaka , et al. May 25, 2	2010-05-25
Optical transmission apparatus having OADM function Grant 7,720,383 - Akiyama , et al. May 18, 2	2010-05-18
Optical node and optical add/drop multiplexer Grant 7,711,270 - Ooi , et al. May 4, 2	2010-05-04
Optical transmission apparatus App 20100028007 - Miura; Akira ; et al.	2010-02-04
Optical transmitting apparatus, method of increasing the number of paths of the apparatus, and optical switch module for increasing the number of paths of the apparatus Grant 7,620,321 - Miura , et al. November 17, 2	2009-11-17
Wavelength division multiplexing optical repeating transmission method and repeating apparatus Grant 7,616,893 - Ooi , et al. November 10, 2	2009-11-10
Wavelength division multiplexing optical transmission system and wavelength dispersion compensation unit Grant 7,613,397 - Nakamura , et al. November 3, 2	2009-11-03
Quadrature phase-shift keying modulator and phase shift amount controlling method for the same Grant 7,603,007 - Terahara , et al. October 13, 2	2009-10-13
Optical Transmission System And Method For Chromatic Dispersion Compensation App 20090238571 - NAKAMURA; Kentaro ; et al.	2009-09-24
Optical Adding And Dropping Device And Optical Transmission Apparatus App 20090220242 - OOI; Hiroki ; et al.	2009-09-03
Optical Add/Drop Multiplexer App 20090148166 - AKIYAMA; Yuichi ; et al.	2009-06-11
Optical demultiplexing method and optical multiplexing method, and optical transmission apparatus using same Grant 7,519,296 - Miura , et al. April 14, 2	2009-04-14
Dispersion Compensation Controlling Apparatus And Method For Searching For Amount Of Dispersion Control App 20090080902 - NOHEJI; Kiyotoshi ; et al.	2009-03-26
Chromatic dispersion compensating apparatus App 20090080894 - Ooi; Hiroki ; et al.	2009-03-26
Dispersion compensating apparatus and dispersion compensating method App 20090080901 - Miura; Akira ; et al.	2009-03-26
Quadrature Phase-shift Keying Modulator And Phase Shift Amount Controlling Method For The Same App 20090047028 - TERAHARA; Takafumi ; et al.	2009-02-19
Control apparatus and control method for optical modulator App 20090034988 - Akiyama; Yuichi ; et al.	2009-02-05
Wavelength division multiplexing transmission system Grant 7,480,459 - Nakamura , et al. January 20, 2	2009-01-20
Optical receiving apparatus and method for controlling the optical receiving apparatus Grant 7,477,848 - Ooi , et al. January 13, 2	2009-01-13
Chromatic dispersion compensating apparatus Grant 7,466,920 - Ooi , et al. December 16, 2	2008-12-16
Automatic dispersion compensation device and compensation method Grant 7,433,599 - Takahara , et al. October 7, 2	2008-10-07
Control apparatus and control method for optical modulator Grant 7,418,211 - Akiyama , et al. August 26, 2	2008-08-26
Transmission system and transmission method App 20080199182 - Ooi; Hiroki ; et al.	2008-08-21
Chromatic dispersion compensation controlling system Grant 7,389,049 - Takahara , et al. June 17, 2	2008-06-17
Optical cross-connect using wavelength selective switches App 20080138068 - Akiyama; Yuichi ; et al.	2008-06-12
Optical transmission apparatus having OADM function App 20080056715 - Akiyama; Yuichi ; et al.	2008-03-06
Dispersion compensating apparatus and dispersion compensation control method App 20080056710 - Ooi; Hiroki ; et al.	2008-03-06
Optical transmission system Grant 7,336,870 - Ooi , et al. February 26, 2	2008-02-26
Optical receiving station, optical communication system, and dispersion controlling method Grant 7,321,736 - Akiyama , et al. January 22, 2	2008-01-22
Optical transmitter App 20070264028 - Yuki; Masahiro ; et al.	2007-11-15
Optical transmission apparatus App 20070212079 - Ooi; Hiroki ; et al.	2007-09-13
Apparatus and method of compensating transmission property of light demultiplexer/light multiplexer Grant 7,266,264 - Nakamoto , et al. September 4, 2	2007-09-04
Chromatic dispersion and dispersion slope compensating apparatus Grant 7,262,913 - Miura , et al. August 28, 2	2007-08-28
Chromatic dispersion monitoring method and chromatic dispersion monitoring apparatus, and optical transmission system App 20070177876 - Ooi; Hiroki ; et al.	2007-08-02
System for compensating for chromatic dispersion and polarization mode dispersion Grant 7,218,856 - Takahara , et al. May 15, 2	2007-05-15
Optical transmitting apparatus and optical communication system App 20070065161 - Miura; Akira ; et al.	2007-03-22
Optical receiving apparatus and method for controlling the optical receiving apparatus App 20070047964 - Ooi; Hiroki ; et al.	2007-03-01
Optical receiving station, optical communication system, and dispersion controlling method App 20070019967 - Akiyama; Yuichi ; et al.	2007-01-25
Method and apparatus for adjusting filter device Grant 7,146,107 - Nakamura , et al. December 5, 2	2006-12-05
Optical Transmitting Apparatus, Optical Receiving Apparatus, And Optical Communication System Comprising Them App 20060263098 - AKIYAMA; Yuichi ; et al.	2006-11-23
Optical transmitting apparatus, optical receiving apparatus, and optical communication system comprising them App 20060263097 - Akiyama; Yuichi ; et al.	2006-11-23
Optical transmission apparatus App 20060222367 - Onaka; Miki ; et al.	2006-10-05
Chromatic dispersion and dispersion slope compensating apparatus App 20060203344 - Miura; Akira ; et al.	2006-09-14
Optical transmission system App 20060193554 - Ooi; Hiroki ; et al.	2006-08-31
Optical node and optical add/drop multiplexer App 20060140625 - Ooi; Hiroki ; et al.	2006-06-29
Optical receiving station, optical communication system, and dispersion controlling method App 20060115278 - Akiyama; Yuichi ; et al.	2006-06-01
Optical transmitting apparatus, method of increasing the number of paths of the apparatus, and optical switch module for increasing the number of paths of the apparatus App 20060098981 - Miura; Akira ; et al.	2006-05-11
Optical switch App 20060093258 - Terahara; Takafumi ; et al.	2006-05-04
Polarization-mode dispersion detecting method, and a dispersion compensation controlling apparatus and a dispersion compensation controlling method Grant 7,035,548 - Ooi , et al. April 25, 2	2006-04-25
Polarization mode dispersion compensator based on degree of polarization Grant 7,030,973 - Rasmussen , et al. April 18, 2	2006-04-18
Apparatus and method of compensating transmission property of light demultiplexer/light multiplexer App 20060067701 - Nakamoto; Hiroshi ; et al.	2006-03-30
Optical demultiplexing method and optical multiplexing method, and optical transmission apparatus using same App 20060062577 - Miura; Akira ; et al.	2006-03-23
Optical receiving station, optical communication system, and dispersion controlling method Grant 7,006,770 - Akiyama , et al. February 28, 2	2006-02-28
Optical add/drop multiplexer App 20060034610 - Akiyama; Yuichi ; et al.	2006-02-16
Dispersion compensation method and compensation node apparatus App 20050226629 - Ooi, Hiroki ; et al.	2005-10-13
Wavelength division multiplexing optical transmission system and wavelength dispersion compensation unit App 20050213987 - Nakamura, Kentaro ; et al.	2005-09-29
Method and system for compensating chromatic dispersion Grant 6,925,262 - Ooi , et al. August 2, 2	2005-08-02
System for compensating for chromatic dispersion and polarization mode dispersion App 20050078964 - Takahara, Tomoo ; et al.	2005-04-14
Wavelength division multiplexing transmission system App 20050041975 - Nakamura, Kentaro ; et al.	2005-02-24
Method and apparatus for compensation of polarization-mode dispersion Grant 6,829,440 - Ooi , et al. December 7, 2	2004-12-07
Chromatic dispersion compensation controlling system App 20040213578 - Takahara, Tomoo ; et al.	2004-10-28
Control apparatus and control method for optical modulator App 20040190910 - Akiyama, Yuichi ; et al.	2004-09-30
Wavelength division multiplexing optical repeating transmission method and repeating apparatus App 20040184814 - Ooi, Hiroki ; et al.	2004-09-23
Polarization-mode dispersion detecting method, and a dispersion compensation controlling apparatus and a dispersion compensation controlling method App 20040161243 - Ooi, Hiroki ; et al.	2004-08-19
Method and apparatus for adjusting filter device App 20040141756 - Nakamura, Kentaro ; et al.	2004-07-22
Polarization mode dispersion compensator based on degree of polarization App 20040124344 - Rasmussen, Jens C. ; et al.	2004-07-01
Polarization-mode dispersion detecting method, and a dispersion compensation controlling apparatus and a dispersion compensation controlling method Grant 6,728,491 - Ooi , et al. April 27, 2	2004-04-27
Optical transmitter and optical transmission system Grant 6,661,974 - Akiyama , et al. December 9, 2	2003-12-09
Automatic dispersion compensation device and compensation method App 20030223760 - Takahara, Tomoo ; et al.	2003-12-04
Chromatic dispersion compensating apparatus App 20030185568 - Ooi, Hiroki ; et al.	2003-10-02
Apparatus and method for optical modulation and demodulation Grant 6,606,424 - Ooi , et al. August 12, 2	2003-08-12
Apparatus And Method For Optical Modulation And Demodulation App 20030091259 - Ooi, Hiroki ; et al.	2003-05-15
Method and apparatus for optimizing dispersion in an optical fiber transmission line in accordance with an optical signal power level Grant 6,501,580 - Ishikawa , et al. December 31, 2	2002-12-31
Method and apparatus for minimizing the intensity of a specific frequency component of an optical signal travelling through an optical fiber transmission line to thereby minimize the total dispersion Grant 6,411,416 - Ooi , et al. June 25, 2	2002-06-25
Optical modulation apparatus and method of controlling optical modulator Grant 6,362,913 - Ooi , et al. March 26, 2	2002-03-26
Method and apparatus for compensation of polarization-mode dispersion App 20020018266 - Ooi, Hiroki ; et al.	2002-02-14
Method and system for compensating chromatic dispersion App 20020015207 - Ooi, Hiroki ; et al.	2002-02-07
Optical receiving station, optical communication system, and dispersion controlling method App 20010046077 - Akiyama, Yuichi ; et al.	2001-11-29
Optical modulation apparatus and method of controlling optical modulator App 20010007508 - Ooi, Hiroki ; et al.	2001-07-12
Optical time division demultiplexing apparatus and demultiplexed signal switching method as well as optical time division multiplex transmission system Grant 6,118,564 - Ooi , et al. September 12, 2	2000-09-12
Method and apparatus for optimizing dispersion in an optical fiber transmission line in accordance with an optical signal power level Grant 6,081,360 - Ishikawa , et al. June 27, 2	2000-06-27
Optical transmission system, optical multiplexing transmission system, and related peripheral techniques Grant 5,991,477 - Ishikawa , et al. November 23, 1	1999-11-23
Optical modulating device and optical modulating method Grant 5,926,297 - Ishikawa , et al. July 20, 1	1999-07-20
Drift compensating circuit for optical modulators in an optical system Grant 5,909,297 - Ishikawa , et al. June 1, 1	1999-06-01
Optical transmission system, optical multiplexing transmission system, and related peripheral techniques Grant 5,896,217 - Ishikawa , et al. April 20, 1	1999-04-20
Optical transmission system, optical multiplexing transmission system, and related peripheral techniques Grant 5,870,213 - Ishikawa , et al. February 9, 1	1999-02-09
Optical transmission system with transmission characteristic measuring device Grant 5,815,294 - Ishikawa , et al. September 29, 1	1998-09-29
Control unit for optical modulators producing multiplexed optical output signal Grant 5,805,321 - Ooi , et al. September 8, 1	1998-09-08
Optical demultiplexer Grant 5,760,937 - Ishikawa , et al. June 2, 1	1998-06-02
Optical transmission system, optical multiplexing transmission system, and related peripheral techniques Grant 5,754,322 - Ishikawa , et al. May 19, 1	1998-05-19