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Kazutoshi Nakajima

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  • Shizuoka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Photodetection element having a periodic nano-concave/convex structure
    • Patent number 10,784,393
    • Issue date Sep 22, 2020
    • Hamamatsu Photonics K.K.
    • Hiroyasu Fujiwara
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Photodetection element
    • Patent number 10,686,094
    • Issue date Jun 16, 2020
    • Hamamatsu Photonics K.K.
    • Wei Dong
    • G02 - OPTICS
  • 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

    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

    Terahertz antenna module
    • Patent number 8,294,106
    • Issue date Oct 23, 2012
    • Hamamatsu Photonics K.K.
    • Kazutoshi Nakajima
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Photoconductive antenna element
    • Patent number 8,093,560
    • Issue date Jan 10, 2012
    • Hamamatsu Photonics K.K.
    • Kazuyoshi Kuroyanagi
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Photocathode comprising a plurality of openings on an electron emis...
    • Patent number 7,816,866
    • Issue date Oct 19, 2010
    • Hamamatsu Photonics K.K.
    • Kazutoshi Nakajima
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Waveguide structure and optical device
    • Patent number 7,787,735
    • Issue date Aug 31, 2010
    • Hamamatsu Photonics K.K.
    • Hiroyasu Fujiwara
    • B82 - NANO-TECHNOLOGY
  • Information Patent Grant

    Semiconductor photodetector and its production method
    • Patent number 7,259,439
    • Issue date Aug 21, 2007
    • Hamamatsu Photonics K.K.
    • Kazutoshi Nakajima
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    UV sensor
    • Patent number 7,217,932
    • Issue date May 15, 2007
    • Hamamatsu Photonics K.K.
    • Minoru Niigaki
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Semiconductor light-receiving device
    • Patent number 7,214,971
    • Issue date May 8, 2007
    • Hamamatsu Photonics K.K.
    • Minoru Niigaki
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Method for fabricating semiconductor photodetector
    • Patent number 7,094,664
    • Issue date Aug 22, 2006
    • Hamamatsu Photonics K.K.
    • Minoru Niigaki
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Optical flip-flop circuit
    • Patent number 5,109,358
    • Issue date Apr 28, 1992
    • Hamamatsu Photonics Kabushiki Kaisha
    • Yoshihiko Mizushima
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Optical full adder
    • Patent number 5,068,815
    • Issue date Nov 26, 1991
    • Hamamatsu Photonics K.K.
    • Yoshihiko Mizushima
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Optical logic operation system
    • Patent number 5,051,573
    • Issue date Sep 24, 1991
    • Hamamatsu Photonics Kabushiki Kaisha
    • Yoshihiko Mizushima
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    High speed optical memory circuit
    • Patent number 5,034,921
    • Issue date Jul 23, 1991
    • Hamamatsu Photonics Kabushiki Kaisha
    • Kazutoshi Nakajima
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Electromagnetic wave device
    • Patent number 5,020,064
    • Issue date May 28, 1991
    • Hamamatsu Photonics Kabushiki Kaisha
    • Yoshihiko Mizushima
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    METHOD OF MANUFACTURING OPTICAL DETECTION ELEMENT AND OPTICAL DETEC...
    • Publication number 20240194816
    • Publication date Jun 13, 2024
    • HAMAMATSU PHOTONICS K. K.
    • Kazutoshi NAKAJIMA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    PHOTODETECTION ELEMENT AND METHOD FOR MANUFACTURING PHOTODETECTION...
    • Publication number 20240105870
    • Publication date Mar 28, 2024
    • HAMAMATSU PHOTONICS K. K.
    • Kazutoshi NAKAJIMA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    PHOTODETECTION ELEMENT
    • Publication number 20190074396
    • Publication date Mar 7, 2019
    • HAMAMATSU PHOTONICS K. K.
    • Wei DONG
    • G02 - OPTICS
  • Information Patent Application

    PHOTODETECTION ELEMENT
    • Publication number 20190058073
    • Publication date Feb 21, 2019
    • HAMAMATSU PHOTONICS K. K.
    • Hiroyasu FUJIWARA
    • 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 20140319637
    • Publication date Oct 30, 2014
    • 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

    PHOTOCONDUCTIVE ANTENNA ELEMENT
    • Publication number 20100230596
    • Publication date Sep 16, 2010
    • HAMMAMATSU PHOTONICS K.K.
    • Kazuyoshi Kuroyanagi
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    TERAHERTZ ANTENNA MODULE
    • Publication number 20100072373
    • Publication date Mar 25, 2010
    • HAMAMATSU PHOTONICS K. K.
    • Kazutoshi Nakajima
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Semiconductor device
    • Publication number 20080121909
    • Publication date May 29, 2008
    • Hamamatsu Photonics K.K.
    • Minoru Niigaki
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Semiconductor photocathode
    • Publication number 20080121928
    • Publication date May 29, 2008
    • Hamamatsu Photonics K.K.
    • Minoru Niigaki
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Waveguide structure and optical device
    • Publication number 20080013878
    • Publication date Jan 17, 2008
    • Hamamatsu Photonics K.K.
    • Hiroyasu Fujiwara
    • G02 - OPTICS
  • Information Patent Application

    Photocathode
    • Publication number 20070096648
    • Publication date May 3, 2007
    • Hamamatsu Photonics K.K.
    • Kazutoshi Nakajima
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Semiconductor photodetector and its production method
    • Publication number 20050173712
    • Publication date Aug 11, 2005
    • Kazutoshi Nakajima
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Semiconductor light-receiving device
    • Publication number 20050051784
    • Publication date Mar 10, 2005
    • Hamamatsu Photonics K.K.
    • Minoru Niigaki
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Method for fabricating semiconductor photodetector
    • Publication number 20050014321
    • Publication date Jan 20, 2005
    • Minoru Niigaki
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    UV sensor
    • Publication number 20040135094
    • Publication date Jul 15, 2004
    • Hamamatsu Photonics K.K.
    • Minoru Niigaki
    • G01 - MEASURING TESTING