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Takehito Tanaka

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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    OPTICAL DEVICE
    • Publication number 20230161184
    • Publication date May 25, 2023
    • FUJITSU OPTICAL COMPONENTS LIMITED
    • Shuntaro MAKINO
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL MODULATOR
    • Publication number 20200272020
    • Publication date Aug 27, 2020
    • FUJITSU OPTICAL COMPONENTS LIMITED
    • Yasuhiro Ohmori
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL MODULATOR
    • Publication number 20200271963
    • Publication date Aug 27, 2020
    • TDK Corporation
    • Shinji Iwatsuka
    • G02 - OPTICS
  • Information Patent Application

    POLARIZATION COUPLING DEVICE AND OPTICAL MODULATION DEVICE
    • Publication number 20180196277
    • Publication date Jul 12, 2018
    • FUJITSU OPTICAL COMPONENTS LIMITED
    • Seimi SASAKI
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL MODULATOR
    • Publication number 20170146886
    • Publication date May 25, 2017
    • FURUKAWA ELECTRIC CO., LTD.
    • Yusuke SAITO
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL MODULE AND OPTICAL TRANSMITTER USING THE SAME
    • Publication number 20170033884
    • Publication date Feb 2, 2017
    • FUJITSU OPTICAL COMPONENTS LIMITED
    • Masaki SUGIYAMA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    OPTICAL MODULATOR MODULE
    • Publication number 20160349457
    • Publication date Dec 1, 2016
    • FUJITSU OPTICAL COMPONENTS LIMITED
    • Hiroshi KATO
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL TRANSMITTER
    • Publication number 20150253506
    • Publication date Sep 10, 2015
    • FUJITSU OPTICAL COMPONENTS LIMITED
    • Shinji MARUYAMA
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL TRANSMITTING APPARATUS
    • Publication number 20150253521
    • Publication date Sep 10, 2015
    • FUJITSU OPTICAL COMPONENTS LIMITED
    • Shinji MARUYAMA
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL MODULE AND OPTICAL MODULATION DEVICE
    • Publication number 20150253595
    • Publication date Sep 10, 2015
    • FUJITSU OPTICAL COMPONENTS LIMITED
    • Kohei Shibata
    • G02 - OPTICS
  • Information Patent Application

    POLARIZATION COMBINER AND OPTICAL MODULATION DEVICE
    • Publication number 20150253582
    • Publication date Sep 10, 2015
    • FUJITSU OPTICAL COMPONENTS LIMITED
    • Seimi Sasaki
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL RECEIVER CIRCUIT
    • Publication number 20150139667
    • Publication date May 21, 2015
    • FUJITSU OPTICAL COMPONENTS LIMITED
    • Shintaro TAKEUCHI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    OPTICAL MODULE AND OPTICAL TRANSMITTER
    • Publication number 20150078763
    • Publication date Mar 19, 2015
    • FUJITSU OPTICAL COMPONENTS LIMITED
    • Masaki SUGIYAMA
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL MODULE AND OPTICAL TRANSMITTER
    • Publication number 20150063809
    • Publication date Mar 5, 2015
    • FUJITSU OPTICAL COMPONENTS LIMITED
    • Masaki SUGIYAMA
    • G02 - OPTICS
  • Information Patent Application

    CIRCUIT DEVICE
    • Publication number 20090244857
    • Publication date Oct 1, 2009
    • FUJITSU LIMITED
    • Takehito TANAKA
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL DEVICE
    • Publication number 20090003756
    • Publication date Jan 1, 2009
    • FUJITSU LIMITED
    • Akira Ishii
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL DEVICE
    • Publication number 20080144988
    • Publication date Jun 19, 2008
    • FUJITSU LIMITED
    • Akira Ishii
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL DEVICE
    • Publication number 20080019632
    • Publication date Jan 24, 2008
    • FUJITSU LIMITED
    • Akira Ishii
    • G02 - OPTICS
  • Information Patent Application

    Optical modulator
    • Publication number 20070003180
    • Publication date Jan 4, 2007
    • FUJITSU LIMITED
    • Takehito Tanaka
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL MODULATOR
    • Publication number 20050134952
    • Publication date Jun 23, 2005
    • FUJITSU LIMITED
    • Masaki Sugiyama
    • G02 - OPTICS
  • Information Patent Application

    Optical modulator
    • Publication number 20040095628
    • Publication date May 20, 2004
    • FUJITSU LIMITED
    • Minoru Seino
    • G02 - OPTICS
  • Information Patent Application

    Optical waveguide device
    • Publication number 20040001672
    • Publication date Jan 1, 2004
    • FUJITSU LIMITED
    • Takehito Tanaka
    • G02 - OPTICS
  • Information Patent Application

    Optical modulator of clock modulation type
    • Publication number 20030194163
    • Publication date Oct 16, 2003
    • FUJITSU LIMITED
    • Masaharu Doi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Optical module having element for optical phase shift using electro...
    • Publication number 20030151792
    • Publication date Aug 14, 2003
    • FUJITSU LIMITED
    • Yoshihiko Kaitoh
    • G02 - OPTICS
  • Information Patent Application

    Optical modulator of clock modulation type
    • Publication number 20030007710
    • Publication date Jan 9, 2003
    • Masaharu Doi
    • G02 - OPTICS
  • Information Patent Application

    Optical modulator
    • Publication number 20020186912
    • Publication date Dec 12, 2002
    • Minoru Seino
    • G02 - OPTICS
  • Information Patent Application

    Optical circuit
    • Publication number 20020006245
    • Publication date Jan 17, 2002
    • Yoshinobu Kubota
    • G02 - OPTICS
  • Information Patent Application

    Acousto-optic variable-wavelength TE/TM mode converter, and a varia...
    • Publication number 20010012421
    • Publication date Aug 9, 2001
    • Takehito Tanaka
    • G02 - OPTICS