loadpatents
name:-0.038936853408813
name:-0.091280937194824
name:-0.0032529830932617
KOIZUMI; Nobukazu Patent Filings

KOIZUMI; Nobukazu

Patent Applications and Registrations

Patent applications and USPTO patent grants for KOIZUMI; Nobukazu.The latest application filed is for "signal processing device and transmission device".

Company Profile
6.48.41
  • KOIZUMI; Nobukazu - Kawasaki JP
  • Koizumi; Nobukazu - Fujisawa JP
  • Koizumi; Nobukazu - Fujisawa City JP
  • Koizumi; Nobukazu - Fujisawa-shi JP
  • Koizumi, Nobukazu - 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
PatentDate
Signal Processing Device And Transmission Device
App 20220303021 - Nomura; Yoshitaka ;   et al.		2022-09-22
Adaptive equalizer, optical receiver, and optical transmission system
Grant 11,159,352 - Sasaki , et al. October 26, 2		2021-10-26
Adaptive equalizer, optical receiver, and adaptive equalization method
Grant 11,146,428 - Sasaki , et al. October 12, 2		2021-10-12
Adaptive Equalizer, Optical Receiver, And Optical Transmission System
App 20210160108 - SASAKI; Daisuke ;   et al.		2021-05-27
Adaptive Equalizer, Optical Receiver, And Adaptive Equalization Method
App 20210152403 - SASAKI; Daisuke ;   et al.		2021-05-20
Adaptive equalization circuit and optical receiver
Grant 10,931,485 - Imoto , et al. February 23, 2		2021-02-23
Adaptive Equalization Circuit And Optical Receiver
App 20200267030 - IMOTO; Yuya ;   et al.		2020-08-20
Signal processing circuit and optical receiving device
Grant 10,560,199 - Imoto , et al. Feb		2020-02-11
Signal Processing Circuit And Optical Receiving Device
App 20190280779 - IMOTO; Yuya ;   et al.		2019-09-12
Amplitude adjustment circuit, digital coherent receiver, and amplitude adjustment method
Grant 10,177,855 - Sato , et al. J		2019-01-08
Amplitude Adjustment Circuit, Digital Coherent Receiver, And Amplitude Adjustment Method
App 20180123701 - Sato; Masashi ;   et al.		2018-05-03
Signal processing apparatus, signal processing method, and signal processing system
Grant 9,660,733 - Sato , et al. May 23, 2		2017-05-23
Adaptive Equalization Circuit, Digital Coherent Receiver, And Adaptive Equalization Method
App 20170012803 - SASAKI; Daisuke ;   et al.		2017-01-12
Optical communication receiving device and frequency offset compensation method
Grant 9,496,966 - Hatae , et al. November 15, 2		2016-11-15
Digital coherent receiving apparatus
Grant 9,444,554 - Koizumi , et al. September 13, 2		2016-09-13
Adaptive equalizer tap coefficient correction method and optical receiver
Grant 9,407,471 - Saito , et al. August 2, 2		2016-08-02
Signal Processing Apparatus, Signal Processing Method, And Signal Processing System
App 20160134261 - Sato; Masashi ;   et al.		2016-05-12
Optical Communication Receiving Device And Frequency Offset Compensation Method
App 20150098714 - HATAE; Kazuhiko ;   et al.		2015-04-09
Loop filter
Grant 8,861,980 - Ohtomo , et al. October 14, 2		2014-10-14
Adaptive Equalizer Tap Coefficient Correction Method And Optical Receiver
App 20140212132 - Saito; Taku ;   et al.		2014-07-31
Adaptive equalizer, optical receiver, and tap coefficient correcting method
Grant 8,693,898 - Koizumi , et al. April 8, 2		2014-04-08
Digital coherent receiving apparatus
Grant 8,649,689 - Koizumi , et al. February 11, 2		2014-02-11
Digital Coherent Receiving Apparatus
App 20140029959 - KOIZUMI; Nobukazu ;   et al.		2014-01-30
Optical digital coherent receiver
Grant 8,606,118 - Hatae , et al. December 10, 2		2013-12-10
Simulation method and simulation apparatus
Grant 8,428,927 - Nakayama , et al. April 23, 2		2013-04-23
Memory control method and memory control device
Grant 8,264,902 - Maruyama , et al. September 11, 2		2012-09-11
Performance evaluation simulation
Grant 8,214,189 - Kato , et al. July 3, 2		2012-07-03
Loop Filter
App 20120134685 - OHTOMO; Yasuo ;   et al.		2012-05-31
Adaptive equalizer, optical receiver, and tap coefficient correcting method
App 20120134684 - Koizumi; Nobukazu ;   et al.		2012-05-31
Optical Digital Coherent Receiver
App 20120128377 - HATAE; Kazuhiko ;   et al.		2012-05-24
Digital Coherent Receiving Apparatus
App 20100329697 - KOIZUMI; Nobukazu ;   et al.		2010-12-30
Digital Signal Processing Apparatus And Digital Signal Processing Method
App 20100325184 - Kanayama; Yasutaka ;   et al.		2010-12-23
Memory Control Method And Memory Control Device
App 20100284234 - Maruyama; Shizuko ;   et al.		2010-11-11
Simulation method, electronic apparatus design method, and simulation apparatus
App 20100204975 - Nakayama; Noriyasu ;   et al.		2010-08-12
Performance evaluation simulation
App 20090204380 - Kato; Tomoki ;   et al.		2009-08-13
Digital subscriber line communicating system
Grant 7,555,055 - Miyoshi , et al. June 30, 2		2009-06-30
Printed wiring board manufacturing method
Grant 7,434,311 - Koizumi October 14, 2		2008-10-14
Digital subscriber line transmission method, apparatus and system
Grant 7,423,984 - Hasegawa , et al. September 9, 2		2008-09-09
Optical amplification device
Grant 7,417,792 - Hatae , et al. August 26, 2		2008-08-26
Controlling apparatus for optical amplifier and controlling method thereof
Grant 7,388,711 - Oota , et al. June 17, 2		2008-06-17
Digital subscriber line communicating system
Grant 7,386,037 - Miyoshi , et al. June 10, 2		2008-06-10
Digital subscriber line transmission method, apparatus and system
Grant 7,336,627 - Hasegawa , et al. February 26, 2		2008-02-26
Method of manufacturing electric device
Grant 7,303,943 - Matsuhira , et al. December 4, 2		2007-12-04
Digital subscriber line communicating system
Grant 7,295,620 - Miyoshi , et al. November 13, 2		2007-11-13
Digital subscriber line transmission method, apparatus and system
Grant 7,286,495 - Hasegawa , et al. October 23, 2		2007-10-23
Circuit evaluation method and circuit evaluation apparatus
App 20070124129 - Ohtomo; Yasuo ;   et al.		2007-05-31
Controlling apparatus for optical amplifier and controlling method thereof
App 20070070492 - Oota; Masato ;   et al.		2007-03-29
Support apparatus and computer-readable storage medium
App 20070038660 - Nakayama; Noriyasu ;   et al.		2007-02-15
Digital subscriber line communicating system
Grant 7,173,984 - Miyoshi , et al. February 6, 2		2007-02-06
Digital subscriber line communicating system and a transceiver in the system
Grant 7,167,509 - Hasegawa , et al. January 23, 2		2007-01-23
Controlling apparatus for optical amplifier and controlling method thereof
Grant 7,158,290 - Oota , et al. January 2, 2		2007-01-02
Printed wiring board manufacturing method
App 20060257793 - Koizumi; Nobukazu		2006-11-16
Digital subscriber line communicating system
Grant 7,126,995 - Miyoshi , et al. October 24, 2		2006-10-24
Digital subscriber line communicating system determining signal-to-noise ratios
Grant 7,088,783 - Miyoshi , et al. August 8, 2		2006-08-08
Digital subscriber line communicating system and a transceiver in the system
Grant 7,072,386 - Hasegawa , et al. July 4, 2		2006-07-04
Method of the film substrate, a method of the semiconductor device using the same, a method of the display device using the same, and a method of the electric device using the same
App 20060079026 - Matsuhira; Tsutomu ;   et al.		2006-04-13
Processing apparatus
Grant 7,024,442 - Yamamoto , et al. April 4, 2		2006-04-04
Workflow management apparatus, workflow management program, and workflow management method
App 20060026595 - Nakayama; Noriyasu ;   et al.		2006-02-02
Digital subscriber line communicating system
Grant 6,965,649 - Miyoshi , et al. November 15, 2		2005-11-15
Resynchronous control apparatus of subscriber communication machine, and resynchronizing method
Grant 6,965,617 - Hasegawa , et al. November 15, 2		2005-11-15
Digital subscriber line transmission method, apparatus and system
App 20050237954 - Hasegawa, Kazutomo ;   et al.		2005-10-27
Digital subscriber line transmission method, apparatus and system
App 20050232171 - Hasegawa, Kazutomo ;   et al.		2005-10-20
Matched filter system
App 20050232343 - Sakai, Kazuhiko ;   et al.		2005-10-20
Digital subscriber line communicating system
Grant 6,944,216 - Miyoshi , et al. September 13, 2		2005-09-13
Digital subscriber line communicating system and a transceiver in the system
App 20050157779 - Hasegawa, Kazutomo ;   et al.		2005-07-21
Optical amplification device
App 20050157380 - Hatae, Kazuhiko ;   et al.		2005-07-21
Controlling apparatus for optical amplifier and controlling method thereof
App 20050116147 - Oota, Masato ;   et al.		2005-06-02
Digital subscriber line communicating system
App 20050105601 - Miyoshi, Seiji ;   et al.		2005-05-19
Digital subscriber line communicating system
App 20050025309 - Miyoshi, Seiji ;   et al.		2005-02-03
Digital subscriber line communicating system
App 20050018781 - Miyoshi, Seiji ;   et al.		2005-01-27
Digital subscriber line communicating system
App 20050013431 - Miyoshi, Seiji ;   et al.		2005-01-20
Digital subscriber line communicating system
App 20050013382 - Miyoshi, Seiji ;   et al.		2005-01-20
Digital subscriber line communicating system
App 20050008083 - Miyoshi, Seiji ;   et al.		2005-01-13
Digital subscriber line communicating system
App 20050008082 - Miyoshi, Seiji ;   et al.		2005-01-13
Data transmission system and receiver unit thereof
Grant 6,735,244 - Hasegawa , et al. May 11, 2		2004-05-11
Processing apparatus
App 20020194235 - Yamamoto, Yoshinobu ;   et al.		2002-12-19
Digital subscriber line communicating system and a transceiver in the system
App 20020090039 - Koizumi, Nobukazu ;   et al.		2002-07-11
Digital subscriber line communicating system and a transceiver in the system
Grant 6,393,051 - Koizumi , et al. May 21, 2		2002-05-21
Resynchronous control apparatus of subscriber communication machine, and resynchronizing method
App 20010024454 - Hasegawa, Kazutomo ;   et al.		2001-09-27
Echo canceller and waveform-distortion compensation device
Grant 5,659,609 - Koizumi , et al. August 19, 1		1997-08-19
Data receiving device for reproducing a received symbol from a received data signal
Grant 5,638,409 - Awata , et al. June 10, 1		1997-06-10
Digital subscriber loop interface unit
Grant 5,617,450 - Kakuishi , et al. April 1, 1		1997-04-01
Jitter compensating device
Grant 5,375,147 - Awata , et al. December 20, 1		1994-12-20
Transversal filter for use in a digital subscriber line transmission interface
Grant 5,367,540 - Kakuishi , et al. November 22, 1		1994-11-22

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