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Kunimasa Saitoh

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  • Sapporo, JP
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    OPTICAL FILTER, METHOD OF MANUFACTURING AN OPTICAL FILTER, METHOD O...
    • Publication number 20250020866
    • Publication date Jan 16, 2025
    • Sumitomo Electric Industries, Ltd.
    • Tsutomu Ishikawa
    • G02 - OPTICS
  • Information Patent Application

    SEMICONDUCTOR OPTICAL DEVICE AND METHOD OF MANUFACTURING THE SAME
    • Publication number 20230275399
    • Publication date Aug 31, 2023
    • Sumitomo Electric Industries, Ltd.
    • Naoya KONO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    OPTICAL FILTER AND WAVELENGTH TUNABLE LASER ELEMENT
    • Publication number 20230089696
    • Publication date Mar 23, 2023
    • Sumitomo Electric Industries, Ltd.
    • Takuo HIRATANI
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL FILTER, WAVELENGTH TUNABLE LASER ELEMENT, WAVELENGTH TUNABL...
    • Publication number 20230040798
    • Publication date Feb 9, 2023
    • Sumitomo Electric Industries, Ltd.
    • Naoya KONO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    MULTICORE OPTICAL FIBER AND DESIGN METHOD
    • Publication number 20220276430
    • Publication date Sep 1, 2022
    • Nippon Telegraph and Telephone Corporation
    • Taiji SAKAMOTO
    • G02 - OPTICS
  • Information Patent Application

    MULTICORE FIBER FOR COMMUNICATION
    • Publication number 20190072712
    • Publication date Mar 7, 2019
    • FUJIKURA LTD.
    • Katsuhiro Takenaga
    • G02 - OPTICS
  • Information Patent Application

    MULTICORE FIBER
    • Publication number 20190033513
    • Publication date Jan 31, 2019
    • FUJIKURA LTD.
    • Yusuke Sasaki
    • G02 - OPTICS
  • Information Patent Application

    MULTICORE FIBER AND OPTICAL CABLE
    • Publication number 20180246275
    • Publication date Aug 30, 2018
    • FUJIKURA LTD.
    • Shota SAITO
    • G02 - OPTICS
  • Information Patent Application

    MULTICORE FIBER
    • Publication number 20180120501
    • Publication date May 3, 2018
    • FUJIKURA LTD.
    • Yusuke Sasaki
    • G02 - OPTICS
  • Information Patent Application

    MULTI-CORE FIBER
    • Publication number 20180120502
    • Publication date May 3, 2018
    • FUJIKURA LTD.
    • Yusuke Sasaki
    • G02 - OPTICS
  • Information Patent Application

    MULTICORE FIBER
    • Publication number 20170248754
    • Publication date Aug 31, 2017
    • FUJIKURA LTD.
    • Yusuke Sasaki
    • G02 - OPTICS
  • Information Patent Application

    MULTICORE FIBER
    • Publication number 20170235043
    • Publication date Aug 17, 2017
    • FUJIKURA LTD.
    • Yoshimichi Amma
    • G02 - OPTICS
  • Information Patent Application

    MULTICORE FIBER
    • Publication number 20170235042
    • Publication date Aug 17, 2017
    • FUJIKURA LTD.
    • Yusuke Sasaki
    • G02 - OPTICS
  • Information Patent Application

    MULTICORE FIBER AND OPTICAL CABLE
    • Publication number 20170199325
    • Publication date Jul 13, 2017
    • FUJIKURA LTD.
    • Shota SAITO
    • G02 - OPTICS
  • Information Patent Application

    MULTICORE FIBER FOR COMMUNICATION
    • Publication number 20160245993
    • Publication date Aug 25, 2016
    • FUJIKURA LTD.
    • Katsuhiro Takenaga
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL DEVICE
    • Publication number 20160245992
    • Publication date Aug 25, 2016
    • FUJIKURA LTD.
    • Katsuhiro Takenaga
    • G02 - OPTICS
  • Information Patent Application

    MULTICORE FIBER FOR COMMUNICATION
    • Publication number 20160245994
    • Publication date Aug 25, 2016
    • FUJIKURA LTD.
    • Katsuhiro Takenaga
    • G02 - OPTICS
  • Information Patent Application

    MULTICORE FIBER
    • Publication number 20160187577
    • Publication date Jun 30, 2016
    • FUJIKURA LTD.
    • Yusuke Sasaki
    • G02 - OPTICS
  • Information Patent Application

    MULTI-CORE FIBER
    • Publication number 20160187576
    • Publication date Jun 30, 2016
    • FUJIKURA LTD.
    • Yusuke Sasaki
    • G02 - OPTICS
  • Information Patent Application

    METHOD FOR MANUFACTURING PREFORM FOR PHOTONIC BAND GAP FIBER, METHO...
    • Publication number 20160002089
    • Publication date Jan 7, 2016
    • National University Corporation Hokkaido University
    • Shoichiro Matsuo
    • G02 - OPTICS
  • Information Patent Application

    MULTI-CORE FIBER
    • Publication number 20160004009
    • Publication date Jan 7, 2016
    • FUJIKURA LTD.
    • Katsuhiro Takenaga
    • G02 - OPTICS
  • Information Patent Application

    PHOTONIC BANDGAP FIBER AND FIBER LASER DEVICE USING SAME
    • Publication number 20160006205
    • Publication date Jan 7, 2016
    • FUJIKURA LTD.
    • Masahiro Kashiwagi
    • G02 - OPTICS
  • Information Patent Application

    MULTI-CORE FIBER
    • Publication number 20150316715
    • Publication date Nov 5, 2015
    • FUJIKURA LTD.
    • Shoichiro Matsuo
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL DEVICE
    • Publication number 20150234120
    • Publication date Aug 20, 2015
    • FUJIKURA LTD.
    • Hitoshi Uemura
    • G02 - OPTICS
  • Information Patent Application

    FAN-IN/FAN-OUT DEVICE FOR MULTICORE FIBER
    • Publication number 20140369659
    • Publication date Dec 18, 2014
    • National University Corporation Hokkaido Univ
    • Hitoshi UEMURA
    • G02 - OPTICS
  • Information Patent Application

    MULTI-CORE FIBER
    • Publication number 20140334789
    • Publication date Nov 13, 2014
    • FUJIKURA LTD.
    • Shoichiro Matsuo
    • G02 - OPTICS
  • Information Patent Application

    MULTICORE FIBER FOR COMMUNICATION
    • Publication number 20140178024
    • Publication date Jun 26, 2014
    • National University Corporation Hokkaido University
    • Katsuhiro Takenaga
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL FAN-IN/FAN-OUT DEVICE
    • Publication number 20140010508
    • Publication date Jan 9, 2014
    • Shoichiro Matsuo
    • G02 - OPTICS
  • Information Patent Application

    MULTICORE FIBER
    • Publication number 20130243384
    • Publication date Sep 19, 2013
    • National University Corporation Hokkaido University
    • Shoichiro Matsuo
    • G02 - OPTICS
  • Information Patent Application

    SOLD PHOTONIC BAND GAP FIBER, FIBER MODULE USING SOLD PHOTONIC BAND...
    • Publication number 20130209046
    • Publication date Aug 15, 2013
    • National University Corporation Hokkaido University
    • Shoji TANIGAWA
    • G02 - OPTICS