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Kazuue Fujita

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Patents Grantslast 30 patents

  • Information Patent Grant

    Quantum cascade laser
    • Patent number 12,244,121
    • Issue date Mar 4, 2025
    • Hamamatsu Photonics K.K.
    • Kazuue Fujita
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Quantum cascade laser device
    • Patent number 12,046,875
    • Issue date Jul 23, 2024
    • Hamamatsu Photonics K.K.
    • Kazuue Fujita
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Optical semiconductor element and method of manufacturing optical s...
    • Patent number 11,075,315
    • Issue date Jul 27, 2021
    • Hamamatsu Photonics K.K.
    • Masahiro Hitaka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Optical semiconductor element and method of driving optical semicon...
    • Patent number 10,840,406
    • Issue date Nov 17, 2020
    • Hamamatsu Photonics K.K.
    • Masamichi Yamanishi
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Optical measurement device and optical measurement method
    • Patent number 10,809,189
    • Issue date Oct 20, 2020
    • Hamamatsu Photonics K.K.
    • Kazuki Horita
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Terahertz wave spectroscopic measurement device
    • Patent number 10,697,891
    • Issue date Jun 30, 2020
    • Hamamatsu Photonics K.K.
    • Atsushi Nakanishi
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Fluid analyzer
    • Patent number 10,591,413
    • Issue date Mar 17, 2020
    • Hamamatsu Photonics K.K.
    • Tatsuo Dougakiuchi
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Method of manufacturing quantum cascade laser beam source
    • Patent number 10,439,363
    • Issue date Oct 8, 2019
    • Hamamatsu Photonics K.K.
    • Akio Ito
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Quantum cascade laser
    • Patent number 10,014,662
    • Issue date Jul 3, 2018
    • Hamamatsu Photonics K.K.
    • Kazuue Fujita
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Quantum cascade laser
    • Patent number 10,008,829
    • Issue date Jun 26, 2018
    • Hamamatsu Photonics K.K.
    • Tatsuo Dougakiuchi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Quantum cascade detector
    • Patent number 9,929,292
    • Issue date Mar 27, 2018
    • Hamamatsu Photonics K.K.
    • Tatsuo Dougakiuchi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Quantum cascade laser
    • Patent number 9,912,119
    • Issue date Mar 6, 2018
    • Hamamatsu Photonics K.K.
    • Akio Ito
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Quantum-cascade laser
    • Patent number 9,484,715
    • Issue date Nov 1, 2016
    • Hamamatsu Photonics K.K.
    • Kazuue Fujita
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Photodetector
    • Patent number 9,368,661
    • Issue date Jun 14, 2016
    • Hamamatsu Photonics K.K.
    • Kazutoshi Nakajima
    • B82 - NANO-TECHNOLOGY
  • Information Patent Grant

    Quantum cascade detector
    • Patent number 9,276,144
    • Issue date Mar 1, 2016
    • Hamamatsu Photonics K.K.
    • Kazuue Fujita
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Fine-particle dispersion liquid manufacturing method and fine-parti...
    • Patent number 9,168,504
    • Issue date Oct 27, 2015
    • Hamamatsu Photonics K.K.
    • Tokio Takagi
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Optical element and photodetector
    • Patent number 8,853,809
    • Issue date Oct 7, 2014
    • Hamamatsu Photonics K.K.
    • Kazutoshi Nakajima
    • G02 - OPTICS
  • Information Patent Grant

    Quantum cascade laser
    • Patent number 8,699,538
    • Issue date Apr 15, 2014
    • Hamamatsu Photonics K.K.
    • Tadataka Edamura
    • B82 - NANO-TECHNOLOGY
  • Information Patent Grant

    Quantum cascade laser
    • Patent number 8,654,809
    • Issue date Feb 18, 2014
    • Hamamatsu Photonics K.K.
    • Kazuue Fujita
    • B82 - NANO-TECHNOLOGY
  • Information Patent Grant

    Wavelength-tunable light source
    • Patent number 8,594,142
    • Issue date Nov 26, 2013
    • Hamamatsu Photonics K.K.
    • Tatsuo Dougakiuchi
    • B82 - NANO-TECHNOLOGY
  • Information Patent Grant

    Quantum cascade laser
    • Patent number 8,514,903
    • Issue date Aug 20, 2013
    • Hamamatsu Photonics K.K.
    • Kazuue Fujita
    • B82 - NANO-TECHNOLOGY
  • Information Patent Grant

    Quantum cascade laser
    • Patent number 8,374,208
    • Issue date Feb 12, 2013
    • Hamamatsu Photonics K.K.
    • Masamichi Yamanishi
    • B82 - NANO-TECHNOLOGY
  • Information Patent Grant

    Semiconductor light emitting device
    • Patent number 8,330,140
    • Issue date Dec 11, 2012
    • Hamamatsu Photonics K.K.
    • Tadataka Edamura
    • B82 - NANO-TECHNOLOGY
  • Information Patent Grant

    Quantum cascade laser element
    • Patent number 8,098,701
    • Issue date Jan 17, 2012
    • Hamamatsu Photonics K.K.
    • Atsushi Sugiyama
    • B82 - NANO-TECHNOLOGY
  • Information Patent Grant

    Quantum cascade laser
    • Patent number 8,068,528
    • Issue date Nov 29, 2011
    • Hamamatsu Photonics K.K.
    • Tadataka Edamura
    • B82 - NANO-TECHNOLOGY
  • Information Patent Grant

    Quantum cascade laser
    • Patent number 7,843,981
    • Issue date Nov 30, 2010
    • Hamamatsu Photonics K.K.
    • Masamichi Yamanishi
    • B82 - NANO-TECHNOLOGY

Patents Applicationslast 30 patents

  • Information Patent Application

    TERAHERTZ WAVE DETECTION DEVICE AND TERAHERTZ WAVE DETECTION METHOD
    • Publication number 20250079805
    • Publication date Mar 6, 2025
    • HAMAMATSU PHOTONICS K. K.
    • Hisanari TAKAHASHI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    LASER MODULE
    • Publication number 20230361536
    • Publication date Nov 9, 2023
    • HAMAMATSU PHOTONICS K. K.
    • Hisanari TAKAHASHI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    LASER MODULE
    • Publication number 20230318255
    • Publication date Oct 5, 2023
    • HAMAMATSU PHOTONICS K. K.
    • Shohei HAYASHI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    LASER MODULE
    • Publication number 20230253755
    • Publication date Aug 10, 2023
    • HAMAMATSU PHOTONICS K. K.
    • Tatsuo DOUGAKIUCHI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    QUANTUM-CASCADE LASER ELEMENT AND QUANTUM-CASCADE LASER DEVICE
    • Publication number 20230139139
    • Publication date May 4, 2023
    • Hamamatsu Photonics K.K.
    • Atsushi SUGIYAMA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    QUANTUM CASCADE LASER ELEMENT, QUANTUM CASCADE LASER DEVICE, AND ME...
    • Publication number 20230133283
    • Publication date May 4, 2023
    • Hamamatsu Photonics K.K.
    • Atsushi SUGIYAMA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    QUANTUM CASCADE LASER
    • Publication number 20220311215
    • Publication date Sep 29, 2022
    • HAMAMATSU PHOTONICS K. K.
    • Akio ITO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    LASER MODULE
    • Publication number 20220209505
    • Publication date Jun 30, 2022
    • Hamamatsu Photonics K.K.
    • Kazuue FUJITA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    QUANTUM CASCADE LASER DEVICE
    • Publication number 20210351570
    • Publication date Nov 11, 2021
    • HAMAMATSU PHOTONICS K. K.
    • Kazuue FUJITA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    QUANTUM CASCADE LASER
    • Publication number 20210305786
    • Publication date Sep 30, 2021
    • HAMAMATSU PHOTONICS K. K.
    • Kazuue FUJITA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SUPERLUMINESCENT DIODE
    • Publication number 20200395501
    • Publication date Dec 17, 2020
    • Hamamatsu Photonics K.K.
    • Masamichi YAMANISHI
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL SEMICONDUCTOR ELEMENT AND METHOD OF MANUFACTURING OPTICAL S...
    • Publication number 20190326466
    • Publication date Oct 24, 2019
    • HAMAMATSU PHOTONICS K. K.
    • Masahiro HITAKA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    OPTICAL MEASUREMENT DEVICE AND OPTICAL MEASUREMENT METHOD
    • Publication number 20190271642
    • Publication date Sep 5, 2019
    • HAMAMATSU PHOTONICS K. K.
    • Kazuki HORITA
    • G01 - MEASURING TESTING
  • Information Patent Application

    TERAHERTZ WAVE SPECTROSCOPIC MEASUREMENT DEVICE
    • Publication number 20190234871
    • Publication date Aug 1, 2019
    • HAMAMATSU PHOTONICS K. K.
    • Atsushi NAKANISHI
    • G01 - MEASURING TESTING
  • Information Patent Application

    METHOD OF MANUFACTURING QUANTUM CASCADE LASER BEAM SOURCE
    • Publication number 20190074664
    • Publication date Mar 7, 2019
    • HAMAMATSU PHOTONICS K. K.
    • Akio ITO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    FLUID ANALYZER
    • Publication number 20190011361
    • Publication date Jan 10, 2019
    • HAMAMATSU PHOTONICS K. K.
    • Tatsuo DOUGAKIUCHI
    • G01 - MEASURING TESTING
  • Information Patent Application

    OPTICAL SEMICONDUCTOR ELEMENT AND METHOD OF DRIVING OPTICAL SEMICON...
    • Publication number 20180301591
    • Publication date Oct 18, 2018
    • HAMAMATSU PHOTONICS K. K.
    • Masamichi YAMANISHI
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    QUANTUM CASCADE DETECTOR
    • Publication number 20170243994
    • Publication date Aug 24, 2017
    • HAMAMATSU PHOTONICS K. K.
    • Tatsuo DOUGAKIUCHI
    • G01 - MEASURING TESTING
  • Information Patent Application

    QUANTUM CASCADE LASER
    • Publication number 20170063044
    • Publication date Mar 2, 2017
    • HAMAMATSU PHOTONICS K. K.
    • Tatsuo DOUGAKIUCHI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    QUANTUM CASCADE LASER
    • Publication number 20170063038
    • Publication date Mar 2, 2017
    • HAMAMATSU PHOTONICS K. K.
    • Akio ITO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    QUANTUM CASCADE LASER
    • Publication number 20170033536
    • Publication date Feb 2, 2017
    • HAMAMATSU PHOTONICS K. K.
    • Kazuue FUJITA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    QUANTUM-CASCADE LASER
    • Publication number 20160087408
    • Publication date Mar 24, 2016
    • Hamamatsu Photonics K. K.
    • Kazuue FUJITA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    QUANTUM CASCADE DETECTOR
    • Publication number 20150123076
    • Publication date May 7, 2015
    • Hamamatsu Photonics K.K.
    • Kazuue FUJITA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    PHOTODETECTOR
    • Publication number 20150097156
    • Publication date Apr 9, 2015
    • Hamamatsu Photonics K.K.
    • Kazutoshi Nakajima
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    PHOTODETECTOR
    • Publication number 20150053922
    • Publication date Feb 26, 2015
    • Hamamatsu Photonics K.K.
    • Kazutoshi Nakajima
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    PHOTODETECTOR
    • Publication number 20130320470
    • Publication date Dec 5, 2013
    • Kazutoshi NAKAJIMA
    • B82 - NANO-TECHNOLOGY
  • Information Patent Application

    OPTICAL ELEMENT AND PHOTODETECTOR
    • Publication number 20130307108
    • Publication date Nov 21, 2013
    • HAMAMATSU PHOTONICS K. K.
    • Kazutoshi NAKAJIMA
    • G02 - OPTICS
  • Information Patent Application

    FINE-PARTICLE DISPERSION LIQUID MANUFACTURING METHOD AND FINE-PARTI...
    • Publication number 20130056565
    • Publication date Mar 7, 2013
    • Hamamatsu Photonics K. K.
    • Tokio Takagi
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Application

    WAVELENGTH-TUNABLE LIGHT SOURCE
    • Publication number 20120219022
    • Publication date Aug 30, 2012
    • HAMAMATSU PHOTONICS K. K.
    • Tatsuo Dougakiuchi
    • G02 - OPTICS
  • Information Patent Application

    QUANTUM CASCADE LASER
    • Publication number 20120134380
    • Publication date May 31, 2012
    • HAMAMATSU PHOTONICS K. K.
    • Tadataka EDAMURA
    • B82 - NANO-TECHNOLOGY