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name:-0.11439085006714
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ISHIKAWA; Tsutomu Patent Filings

ISHIKAWA; Tsutomu

Patent Applications and Registrations

Patent applications and USPTO patent grants for ISHIKAWA; Tsutomu.The latest application filed is for "method for manufacturing optical modulator, testing method, non-transitory storage medium, and light transmission apparatus".

Company Profile
3.46.52
  • ISHIKAWA; Tsutomu - Osaka-shi JP
  • Ishikawa; Tsutomu - Osaka JP
  • Ishikawa; Tsutomu - San Jose CA
  • Ishikawa; Tsutomu - Kaga JP
  • Ishikawa; Tsutomu - Sakura JP
  • ISHIKAWA; Tsutomu - Kaga-shi Ishikawa
  • Ishikawa; Tsutomu - Isesaki JP
  • Ishikawa; Tsutomu - Yokohama JP
  • Ishikawa; Tsutomu - Yokohama-Shi JP
  • ISHIKAWA; Tsutomu - Kyoto JP
  • Ishikawa; Tsutomu - Isesaki-shi JP
  • Ishikawa; Tsutomu - Kanagawa N/A JP
  • Ishikawa; Tsutomu - Ota-shi JP
  • Ishikawa; Tsutomu - Yamanashi JP
  • Ishikawa; Tsutomu - Gunma JP
  • Ishikawa; Tsutomu - Chiba JP
  • Ishikawa; Tsutomu - Nakakoma-gun JP
  • Ishikawa; Tsutomu - Kawasaki JP
  • Ishikawa; Tsutomu - Ohta JP
  • Ishikawa, Tsutomu - Isehara JP
  • Ishikawa, Tsutomu - Kawasaki-shi JP
  • Ishikawa; Tsutomu - Ota JP
  • Ishikawa; Tsutomu - Tokyo JP
  • Ishikawa; Tsutomu - Oota 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
Method For Manufacturing Optical Modulator, Testing Method, Non-transitory Storage Medium, And Light Transmission Apparatus
App 20220244613 - ISHIKAWA; Tsutomu ;   et al.
2022-08-04
Method For Manufacturing Optical Modulator, Testing Method, Non-transitory Storage Medium, And Light Transmission Apparatus
App 20220236620 - ISHIKAWA; Tsutomu ;   et al.
2022-07-28
Optical modulator
Grant 11,353,728 - Tanaka , et al. June 7, 2
2022-06-07
Optical Transmitter, Method For Controlling The Same, And Non-transitory Computer-readable Medium
App 20210364878 - ISHIKAWA; Tsutomu
2021-11-25
Methods for growing light emitting devices under ultra-violet illumination
Grant 11,069,836 - Ishikawa , et al. July 20, 2
2021-07-20
Optical modulator
Grant 11,048,140 - Tanaka , et al. June 29, 2
2021-06-29
Electronic module and method for manufacturing same
Grant 11,049,780 - Watanuki , et al. June 29, 2
2021-06-29
Optical Modulator
App 20210055622 - TANAKA; Hajime ;   et al.
2021-02-25
Method of producing an alkoxyflavone derivative
Grant 10,889,557 - Tatsuzaki , et al. January 12, 2
2021-01-12
Optical Modulator
App 20200192132 - TANAKA; Hajime ;   et al.
2020-06-18
Electronic Module And Method For Manufacturing Same
App 20200135598 - WATANUKI; Osamu ;   et al.
2020-04-30
Methods For Growing Light Emitting Devices Under Ultra-Violet Illumination
App 20200127166 - Ishikawa; Tsutomu ;   et al.
2020-04-23
Methods for growing light emitting devices under ultra-violet illumination
Grant 10,541,352 - Ishikawa , et al. Ja
2020-01-21
Methods For Growing Light Emitting Devices Under Ultra-violet Illumination
App 20180122989 - ISHIKAWA; Tsutomu ;   et al.
2018-05-03
Three-bore variable displacement compressor with a swash plate having an adjustable incline
Grant 9,765,765 - Ishikawa , et al. September 19, 2
2017-09-19
Method to determine operating conditions of wavelength tunable laser diode and to control optical transmitter providing wavelength tunable laser diode
Grant 9,595,808 - Ishikawa March 14, 2
2017-03-14
Method To Determine Operating Conditions Of Wavelength Tunable Laser Diode And To Control Optical Transmitter Providing Wavelength Tunable Laser Diode
App 20160036199 - Ishikawa; Tsutomu
2016-02-04
Semiconductor Laser
App 20150340840 - NOMA; Tsuguki ;   et al.
2015-11-26
Method to determine operating conditions of wavelength tunable laser diode and to control optical transmitter providing wavelength tunable laser diode
Grant 9,184,561 - Ishikawa November 10, 2
2015-11-10
Semiconductor laser
Grant 9,099,841 - Noma , et al. August 4, 2
2015-08-04
Semiconductor laser
Grant 9,025,628 - Ishikawa , et al. May 5, 2
2015-05-05
Variable Capacity Compressor
Grant 9,011,109 - Ishikawa , et al. April 21, 2
2015-04-21
Method To Determine Operating Conditions Of Wavelength Tunable Laser Diode And To Control Optical Transmitter Providing Wavelength Tunable Laser Diode
App 20150092798 - ISHIKAWA; Tsutomu
2015-04-02
Variable Displacement Compressor
App 20140377087 - Ishikawa; Tsutomu ;   et al.
2014-12-25
Reciprocating compressor
Grant 8,684,703 - Ikeda , et al. April 1, 2
2014-04-01
Method for tuning semiconductor laser
Grant 8,681,826 - Tanaka , et al. March 25, 2
2014-03-25
Semiconductor Laser
App 20130308666 - Ishikawa; Tsutomu ;   et al.
2013-11-21
Refrigerant Compressor
App 20130287618 - Ishikawa; Tsutomu ;   et al.
2013-10-31
Optical semiconductor device, laser chip and laser module
Grant 8,563,991 - Ishikawa October 22, 2
2013-10-22
Refrigerant Compressor
App 20130272903 - Ishikawa; Tsutomu ;   et al.
2013-10-17
Method of controlling wavelength-tunable laser
Grant 8,457,166 - Shibata , et al. June 4, 2
2013-06-04
Variable Capacity Compressor
App 20130101443 - Ishikawa; Tsutomu
2013-04-25
Variable-Displacement Compressor
App 20130089445 - Ishikawa; Tsutomu ;   et al.
2013-04-11
Method Of Controlling Wavelength-tunable Laser
App 20130039370 - Shibata; Masao ;   et al.
2013-02-14
Method of controlling wavelength-tunable laser
Grant 8,311,068 - Shibata , et al. November 13, 2
2012-11-13
Semiconductor laser with heater
Grant 8,194,710 - Ishikawa June 5, 2
2012-06-05
Optical Semiconductor Device, Laser Chip And Laser Module
App 20120097984 - Ishikawa; Tsutomu
2012-04-26
Optical semiconductor device, laser chip and laser module
Grant 8,101,957 - Ishikawa January 24, 2
2012-01-24
Method of Processing Contact Portions between Valve Plate and Suction Valve and/or Discharge Valve of Reciprocating Compressor, and Reciprocating Compressor
App 20110300009 - Kikuchi; Kiyoto ;   et al.
2011-12-08
Compressor Valve Plate Device
App 20110290348 - Miyazawa; Kanetaka ;   et al.
2011-12-01
Wavelength Tunable Semiconductor Laser
App 20110292960 - Shoji; Hajime ;   et al.
2011-12-01
Method For Tuning Semiconductor Laser
App 20110228800 - Tanaka; Hirokazu ;   et al.
2011-09-22
Method Of Controlling Wavelength-tunable Laser
App 20110200062 - SHIBATA; Masao ;   et al.
2011-08-18
Semiconductor Laser Device
App 20110164634 - KOBAYASHI; Satsuki ;   et al.
2011-07-07
Semiconductor Laser
App 20110128985 - Noma; Tsuguki ;   et al.
2011-06-02
Tunable laser module, tunable laser apparatus and controlling method for tunable laser
Grant 7,940,819 - Takabayashi , et al. May 10, 2
2011-05-10
Testing method of wavelength-tunable laser, controlling method of wavelength-tunable laser and laser device
Grant 7,929,581 - Ishikawa , et al. April 19, 2
2011-04-19
Reciprocating Compressor
App 20110020158 - Ikeda; Hiroshi ;   et al.
2011-01-27
Laser Device And Laser Device Control Data
App 20100296532 - Tanaka; Hirokazu ;   et al.
2010-11-25
Optical device and method of controlling the same
Grant 7,812,594 - Ishikawa , et al. October 12, 2
2010-10-12
Method of controlling semiconductor laser
Grant 7,813,391 - Tanaka , et al. October 12, 2
2010-10-12
Optical Semiconductor Element And Optical Semiconductor Device
App 20100091805 - Ishikawa; Tsutomu ;   et al.
2010-04-15
Optical Semiconductor Device
App 20100040101 - Ishikawa; Tsutomu
2010-02-18
Tunable Laser Module, Tunable Laser Apparatus And Controlling Method For Tunable Laser
App 20100034224 - Takabayashi; Kazumasa ;   et al.
2010-02-11
Optical semiconductor element and optical semiconductor device
Grant 7,656,927 - Ishikawa , et al. February 2, 2
2010-02-02
High-Power Red Semiconductor Laser
App 20090175306 - Nakahara; Ken ;   et al.
2009-07-09
Testing Method Of Wavelength-tunable Laser, Controlling Method Of Wavelength-tunable Laser And Laser Device
App 20090168817 - Ishikawa; Tsutomu ;   et al.
2009-07-02
Optical semiconductor element and optical semiconductor device
App 20090103585 - Ishikawa; Tsutomu ;   et al.
2009-04-23
Optical semiconductor device
Grant 7,515,779 - Ishikawa April 7, 2
2009-04-07
Method Of Controlling Semiconductor Laser
App 20090022185 - MACHIDA; Toyotoshi ;   et al.
2009-01-22
Method Of Controlling Semiconductor Laser
App 20090022186 - TANAKA; Hirokazu ;   et al.
2009-01-22
Optical Device And Method Of Controlling The Same
App 20090021238 - ISHIKAWA; Tsutomu ;   et al.
2009-01-22
Optical semiconductor element and optical semiconductor device
Grant 7,474,684 - Ishikawa , et al. January 6, 2
2009-01-06
Optical semiconductor device and controlling method of the same
Grant 7,362,782 - Ishikawa , et al. April 22, 2
2008-04-22
Bisguanidine Compound Optical Resolver and Chiral Molecule Separating Agent
App 20080033182 - Ishikawa; Tsutomu ;   et al.
2008-02-07
Optical semiconductor device, laser chip and laser module
App 20070230523 - Ishikawa; Tsutomu
2007-10-04
Optical semiconductor element and optical semiconductor device
App 20070228551 - Ishikawa; Tsutomu ;   et al.
2007-10-04
Optical Semiconductor device
App 20070228550 - Ishikawa; Tsutomu
2007-10-04
Optical semiconductor device
App 20070230522 - Ishikawa; Tsutomu
2007-10-04
Optical semiconductor device and controlling method of the same
App 20070230521 - Ishikawa; Tsutomu ;   et al.
2007-10-04
Semiconductor light emitting device
Grant 7,196,347 - Ishikawa March 27, 2
2007-03-27
Gain-coupled DFB laser diode
Grant 6,925,103 - Ishikawa , et al. August 2, 2
2005-08-02
Semiconductor light emitting device
App 20050029528 - Ishikawa, Tsutomu
2005-02-10
Complex coupling MQW semiconductor laser
Grant 6,850,550 - Kobayashi , et al. February 1, 2
2005-02-01
Semiconductor integrated circuit having pads with less input signal attenuation
Grant 6,771,112 - Ishikawa , et al. August 3, 2
2004-08-03
Optical semiconductor device
Grant 6,606,174 - Ishikawa , et al. August 12, 2
2003-08-12
Gain-coupled DFB laser diode
App 20030086464 - Ishikawa, Tsutomu ;   et al.
2003-05-08
Semiconductor light-emitting device
Grant 6,426,515 - Ishikawa , et al. July 30, 2
2002-07-30
Distributed feedback semiconductor laser
App 20020039375 - Shoji, Hajime ;   et al.
2002-04-04
Complex coupling MQW semiconductor laser
App 20020009116 - Kobayashi, Hirohiko ;   et al.
2002-01-24
Semiconductor light-emitting device
App 20010032976 - Ishikawa, Tsutomu ;   et al.
2001-10-25
Optical semiconductor device and optical semiconductor module equipped with the same
Grant 6,252,252 - Kunii , et al. June 26, 2
2001-06-26
Delay circuit using a digital memory
Grant 5,576,709 - Onaya , et al. November 19, 1
1996-11-19
Balance control circuit
Grant 5,165,099 - Onaya , et al. November 17, 1
1992-11-17
Center mode control circuit
Grant 4,980,915 - Ishikawa December 25, 1
1990-12-25
Demodulator circuit for television multi-channel
Grant 4,953,021 - Ishikawa , et al. August 28, 1
1990-08-28
Sound reproducer
Grant 4,933,768 - Ishikawa , et al. June 12, 1
1990-06-12
Laser emission material
Grant 4,825,444 - Johna , et al. April 25, 1
1989-04-25
FM/FMX stereophonic receiver
Grant 4,809,328 - Usui , et al. February 28, 1
1989-02-28

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