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Shin Kamei

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  • Kanagawa, JP
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    OPTICAL MODULE
    • Publication number 20190353844
    • Publication date Nov 21, 2019
    • NTT ELECTRONICS CORPORATION
    • Tomohiro Nakanishi
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL RECEIVER
    • Publication number 20190181961
    • Publication date Jun 13, 2019
    • Nippon Telegraph and Telephone Corporation
    • Toshihiro Itoh
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SILICON OPTICAL CIRCUIT
    • Publication number 20180335365
    • Publication date Nov 22, 2018
    • Shin Kamei
    • G02 - OPTICS
  • Information Patent Application

    PHOTODETECTOR
    • Publication number 20180233618
    • Publication date Aug 16, 2018
    • Nippon Telegraph and Telephone Corporation
    • Hiroshi Fukuda
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SOLDER JOINT STRUCTURE OF FLEXIBLE PRINTED CIRCUIT BOARD
    • Publication number 20180199445
    • Publication date Jul 12, 2018
    • Nippon Telegraph and Telephone Corporation
    • Mitsuo Usui
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    OPTICAL MODULE
    • Publication number 20180198483
    • Publication date Jul 12, 2018
    • Nippon Telegraph and Telephone Corporation
    • Kiyofumi Kikuchi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    COHERENT OPTICAL MIXER CIRCUIT
    • Publication number 20180143376
    • Publication date May 24, 2018
    • Nippon Telegraph and Telephone Corporation
    • Shin Kamei
    • G02 - OPTICS
  • Information Patent Application

    Polarization Multiplexing Optical Transmission Circuit and Polariza...
    • Publication number 20180139007
    • Publication date May 17, 2018
    • Nippon Telegraph and Telephone Corporation
    • Shin Kamei
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    OPTICAL MODULATOR
    • Publication number 20170336696
    • Publication date Nov 23, 2017
    • Nippon Telegraph and Telephone Corporation
    • Ken Tsuzuki
    • G02 - OPTICS
  • Information Patent Application

    POLARIZATION ROTATOR
    • Publication number 20170068048
    • Publication date Mar 9, 2017
    • Nippon Telegraph and Telephone Corporation
    • Shin Kamei
    • G02 - OPTICS
  • Information Patent Application

    Optical Modulator Driver Circuit and Optical Transmitter
    • Publication number 20160087727
    • Publication date Mar 24, 2016
    • Nippon Telegraph and Telephone Corporation
    • Munehiko Nagatani
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    OPTICAL WAVELENGTH MULTI/DEMULTIPLEXER
    • Publication number 20120170891
    • Publication date Jul 5, 2012
    • Nippon Telegraph and Telephone Corporation
    • Tsutomu Kitoh
    • G02 - OPTICS
  • Information Patent Application

    Wideband Interferometer Type Polarized Light Combiner and Splitter
    • Publication number 20120063716
    • Publication date Mar 15, 2012
    • Nippon Telegraph and Telephone Corporation
    • Takayuki Mizuno
    • G02 - OPTICS
  • Information Patent Application

    Optical Wavelength Multiplexing/Demultiplexing Circuit, Optical Mod...
    • Publication number 20110268447
    • Publication date Nov 3, 2011
    • Nippon Telegraph and Telephone Corporation
    • Tsutomu Kitoh
    • G02 - OPTICS
  • Information Patent Application

    Optical Wavelength Multiplexing/ De-multiplexing Circuit
    • Publication number 20110116802
    • Publication date May 19, 2011
    • Nippon Telegraph and Telephone Corporation
    • Shin Kamei
    • G02 - OPTICS
  • Information Patent Application

    ARRAYE WAVEGUIDE DIFFRACTION GRATING
    • Publication number 20110110624
    • Publication date May 12, 2011
    • Nippon Telegraph and Telephone Corporation
    • Shin Kamei
    • G02 - OPTICS
  • Information Patent Application

    WAVEGUIDE TYPE OPTICAL DEVICE
    • Publication number 20100322556
    • Publication date Dec 23, 2010
    • Daisuke Ogawa
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL SIGNAL MONITORING APPARATUS, OPTICAL SYSTEM AND OPTICAL SIG...
    • Publication number 20080226290
    • Publication date Sep 18, 2008
    • Nippon Telegraph and Telephone Corporation
    • Takaharu Ohyama
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Optical channel monitor
    • Publication number 20070002429
    • Publication date Jan 4, 2007
    • Yokogawa Electric Corporation
    • Shin Kamei
    • G01 - MEASURING TESTING
  • Information Patent Application

    Photodiode array
    • Publication number 20060290928
    • Publication date Dec 28, 2006
    • YOKOGAWA ELECTRIC CORPORATION
    • Tadashige Fujita
    • G01 - MEASURING TESTING
  • Information Patent Application

    Optical waveguide circuit
    • Publication number 20040126052
    • Publication date Jul 1, 2004
    • Nippon Telegraph and Telephone Corporation
    • Shin Kamei
    • G02 - OPTICS
  • Information Patent Application

    Spectrometer and optical spectrum analyzer
    • Publication number 20040075831
    • Publication date Apr 22, 2004
    • YOKOGAWA ELECTRIC CORPORATION
    • Yasuyuki Suzuki
    • G01 - MEASURING TESTING
  • Information Patent Application

    Optical waveguide circuit
    • Publication number 20030118286
    • Publication date Jun 26, 2003
    • Nippon Telegraph and Telephone Corporation
    • Shin Kamei
    • G02 - OPTICS