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Yusuke Nasu

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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical module
    • Patent number 12,248,181
    • Issue date Mar 11, 2025
    • Nippon Telegraph and Telephone Corporation
    • Yuriko Kawamura
    • G02 - OPTICS
  • Information Patent Grant

    Optical circuit module
    • Patent number 12,222,567
    • Issue date Feb 11, 2025
    • Nippon Telegraph and Telephone Corporation
    • Yuichiro Ikuma
    • G02 - OPTICS
  • Information Patent Grant

    Optical fiber connection structure
    • Patent number 12,124,086
    • Issue date Oct 22, 2024
    • Nippon Telegraph and Telephone Corporation
    • Yuichiro Ikuma
    • G02 - OPTICS
  • Information Patent Grant

    Optical circuit with common ground configuration for resistors and...
    • Patent number 12,099,266
    • Issue date Sep 24, 2024
    • Nippon Telegraph and Telephone Corporation
    • Kiyofumi Kikuchi
    • G02 - OPTICS
  • Information Patent Grant

    Optical module
    • Patent number 12,078,851
    • Issue date Sep 3, 2024
    • Nippon Telegraph and Telephone Corporation
    • Shunichi Soma
    • G02 - OPTICS
  • Information Patent Grant

    Light reception element and light shielding structure for optical c...
    • Patent number 12,068,421
    • Issue date Aug 20, 2024
    • NTT Electronics Corporation
    • Keiichi Morita
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Optical module
    • Patent number 12,055,765
    • Issue date Aug 6, 2024
    • Nippon Telegraph and Telephone Corporation
    • Yuriko Kawamura
    • G02 - OPTICS
  • Information Patent Grant

    Optical 90 degree hybrid circuit
    • Patent number 11,982,839
    • Issue date May 14, 2024
    • Nippon Telegraph and Telephone Corporation
    • Makoto Jizodo
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Interposer circuit
    • Patent number 11,982,837
    • Issue date May 14, 2024
    • Nippon Telegraph and Telephone Corporation
    • Yuichiro Ikuma
    • G02 - OPTICS
  • Information Patent Grant

    Photodetector
    • Patent number 11,921,324
    • Issue date Mar 5, 2024
    • Nippon Telegraph and Telephone Corporation
    • Kotaro Takeda
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Optical transmitter and method for controller optical transmitter
    • Patent number 11,646,800
    • Issue date May 9, 2023
    • Nippon Telegraph and Telephone Corporation
    • Shogo Yamanaka
    • G02 - OPTICS
  • Information Patent Grant

    Optical module
    • Patent number 11,592,629
    • Issue date Feb 28, 2023
    • Nippon Telegraph and Telephone Corporation
    • Yuriko Kawamura
    • G02 - OPTICS
  • Information Patent Grant

    Optical module
    • Patent number 11,567,275
    • Issue date Jan 31, 2023
    • Nippon Telegraph and Telephone Corporation
    • Yuriko Kawamura
    • G02 - OPTICS
  • Information Patent Grant

    Polarization multi/demultiplexed optical transceiver circuit
    • Patent number 11,509,396
    • Issue date Nov 22, 2022
    • Nippon Telegraph and Telephone Corporation
    • Yusuke Nasu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Polarization multiplexed optical transmitter circuit and polarizati...
    • Patent number 11,493,776
    • Issue date Nov 8, 2022
    • Nippon Telegraph and Telephone Corporation
    • Yusuke Nasu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Optical waveguide device
    • Patent number 10,310,159
    • Issue date Jun 4, 2019
    • NTT Electronics Corporation
    • Shigeo Nagashima
    • G02 - OPTICS
  • Information Patent Grant

    Flexible printed wiring substrate
    • Patent number 10,039,187
    • Issue date Jul 31, 2018
    • NTT Electronics Corporation
    • Kazumasa Yoshida
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Planar lightwave circuit
    • Patent number 9,459,417
    • Issue date Oct 4, 2016
    • Nippon Telegraph and Telephone Corporation
    • Yusuke Nasu
    • G02 - OPTICS
  • Information Patent Grant

    Waveguide-type polarization beam splitter
    • Patent number 9,323,000
    • Issue date Apr 26, 2016
    • Nippon Telegraph and Telephone Corporation
    • Takashi Saida
    • G02 - OPTICS
  • Information Patent Grant

    Waveguide-type polarization beam splitter
    • Patent number 9,235,003
    • Issue date Jan 12, 2016
    • Nippon Telegraph and Telephone Corporation
    • Takashi Saida
    • G02 - OPTICS
  • Information Patent Grant

    Integrated optical module
    • Patent number 9,116,291
    • Issue date Aug 25, 2015
    • Nippon Telegraph and Telephone Corporation
    • Ryoichi Kasahara
    • G02 - OPTICS
  • Information Patent Grant

    Planar lightwave circuit
    • Patent number 9,116,317
    • Issue date Aug 25, 2015
    • Nippon Telegraph and Telephone Corporation
    • Yusuke Nasu
    • G02 - OPTICS
  • Information Patent Grant

    Microlens array and optical transmission component
    • Patent number 9,036,965
    • Issue date May 19, 2015
    • NTT Electronics Corporation
    • Hiroshi Terui
    • G02 - OPTICS
  • Information Patent Grant

    Optical 90-degree hybrid circuit
    • Patent number 8,971,677
    • Issue date Mar 3, 2015
    • Nippon Telegraph and Telephone Corporation
    • Yohei Sakamaki
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Optical 90-degree hybrid circuit
    • Patent number 8,649,640
    • Issue date Feb 11, 2014
    • Nippon Telegraph and Telephone Corporation
    • Yohei Sakamaki
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Optical 90-degree hybrid circuit
    • Patent number 8,588,560
    • Issue date Nov 19, 2013
    • Nippon Telegraph and Telephone Corporation
    • Yohei Sakamaki
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Waveguide-type optical interferometer
    • Patent number 8,150,219
    • Issue date Apr 3, 2012
    • Nippon Telegraph and Telephone Corporation
    • Yusuke Nasu
    • G02 - OPTICS
  • Information Patent Grant

    Optical delay line interferometer
    • Patent number 7,899,279
    • Issue date Mar 1, 2011
    • Nippon Telegraph and Telephone Corporation
    • Yusuke Nasu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Method of producing optical fiber grating and production device the...
    • Patent number 6,973,237
    • Issue date Dec 6, 2005
    • Japen Science and Technology Agency
    • Shinji Yamashita
    • G02 - OPTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    Optical Inspection Circuit and Method of Manufacturing an Optical C...
    • Publication number 20250123321
    • Publication date Apr 17, 2025
    • Nippon Telegraph and Telephone Corporation
    • Yuichiro Ikuma
    • G01 - MEASURING TESTING
  • Information Patent Application

    Optical Module
    • Publication number 20240353627
    • Publication date Oct 24, 2024
    • Nippon Telegraph and Telephone Corporation
    • Yuriko Kawamura
    • G02 - OPTICS
  • Information Patent Application

    Optical Module
    • Publication number 20230258872
    • Publication date Aug 17, 2023
    • Nippon Telegraph and Telephone Corporation
    • Yuriko Kawamura
    • G02 - OPTICS
  • Information Patent Application

    Optical Fiber Array
    • Publication number 20220413223
    • Publication date Dec 29, 2022
    • Nippon Telegraph and Telephone Corporation
    • Yuichiro Ikuma
    • G02 - OPTICS
  • Information Patent Application

    Optical Circuit Module
    • Publication number 20220404567
    • Publication date Dec 22, 2022
    • Nippon Telegraph and Telephone Corporation
    • Yuichiro Ikuma
    • G02 - OPTICS
  • Information Patent Application

    Light Reception Element And Light Shielding Structure For Optical C...
    • Publication number 20220399467
    • Publication date Dec 15, 2022
    • NTT ELECTRONICS CORPORATION
    • Keiichi Morita
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Optical Circuit
    • Publication number 20220365377
    • Publication date Nov 17, 2022
    • Nippon Telegraph and Telephone Corporation
    • Kiyofumi Kikuchi
    • G02 - OPTICS
  • Information Patent Application

    Optical Module
    • Publication number 20220357512
    • Publication date Nov 10, 2022
    • Nippon Telegraph and Telephone Corporation
    • Yuriko Kawamura
    • G02 - OPTICS
  • Information Patent Application

    Optical Module
    • Publication number 20220214508
    • Publication date Jul 7, 2022
    • Nippon Telegraph and Telephone Corporation
    • Shunichi Soma
    • G02 - OPTICS
  • Information Patent Application

    Optical 90 Degree Hybrid Circuit
    • Publication number 20220171127
    • Publication date Jun 2, 2022
    • Nippon Telegraph and Telephone Corporation
    • Makoto Jizodo
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Interposer Circuit
    • Publication number 20220120965
    • Publication date Apr 21, 2022
    • Nippon Telegraph and Telephone Corporation
    • Yuichiro Ikuma
    • G02 - OPTICS
  • Information Patent Application

    Optical Transmitter and Method for Controller Optical Transmitter
    • Publication number 20220116116
    • Publication date Apr 14, 2022
    • Nippon Telegraph and Telephone Corporation
    • Shogo Yamanaka
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Optical Module
    • Publication number 20220066110
    • Publication date Mar 3, 2022
    • Nippon Telegraph and Telephone Corporation
    • Yuriko Kawamura
    • G02 - OPTICS
  • Information Patent Application

    Polarization Multiplexed Optical Transmitter Circuit and Polarizati...
    • Publication number 20220066227
    • Publication date Mar 3, 2022
    • Nippon Telegraph and Telephone Corporation
    • Yusuke Nasu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Polarization Multi/Demultiplexed Optical Transceiver Circuit
    • Publication number 20220045764
    • Publication date Feb 10, 2022
    • Nippon Telegraph and Telephone Corporation
    • Yusuke Nasu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Optical Module
    • Publication number 20210382249
    • Publication date Dec 9, 2021
    • Nippon Telegraph and Telephone Corporation
    • Yuriko Kawamura
    • G02 - OPTICS
  • Information Patent Application

    Optical Transmitter/Receiver and Method for Controlling Optical Tra...
    • Publication number 20210297159
    • Publication date Sep 23, 2021
    • Nippon Telegraph and Telephone Corporation
    • Shogo Yamanaka
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Photodetector
    • Publication number 20210199888
    • Publication date Jul 1, 2021
    • Nippon Telegraph and Telephone Corporation
    • Kotaro Takeda
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL WAVEGUIDE DEVICE
    • Publication number 20180136392
    • Publication date May 17, 2018
    • NTT ELECTRONICS CORPORATION
    • Shigeo Nagashima
    • G02 - OPTICS
  • Information Patent Application

    FLEXIBLE PRINTED WIRING SUBSTRATE
    • Publication number 20180124920
    • Publication date May 3, 2018
    • NTT ELECTRONICS CORPORATION
    • Kazumasa YOSHIDA
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    PLANAR LIGHTWAVE CIRCUIT
    • Publication number 20150205042
    • Publication date Jul 23, 2015
    • Nippon Telegraph and Telephone Corporation
    • Yusuke Nasu
    • G02 - OPTICS
  • Information Patent Application

    INTEGRATED OPTICAL MODULE
    • Publication number 20150192736
    • Publication date Jul 9, 2015
    • Nippon Telegraph and Telephone Corporation
    • Ryoichi Kasahara
    • G02 - OPTICS
  • Information Patent Application

    INTEGRATED OPTICAL MODULE
    • Publication number 20150177457
    • Publication date Jun 25, 2015
    • Nippon Telegraph and Telephone Corporation
    • Ryoichi Kasahara
    • G02 - OPTICS
  • Information Patent Application

    WAVEGUIDE-TYPE POLARIZATION BEAM SPLITTER
    • Publication number 20130301977
    • Publication date Nov 14, 2013
    • Takashi Saida
    • G02 - OPTICS
  • Information Patent Application

    WAVEGUIDE-TYPE POLARIZATION BEAM SPLITTER
    • Publication number 20130301976
    • Publication date Nov 14, 2013
    • Nippon Telegraph and Telephone Corporation
    • Takashi Saida
    • G02 - OPTICS
  • Information Patent Application

    MICROLENS ARRAY AND OPTICAL TRANSMISSION COMPONENT
    • Publication number 20130108217
    • Publication date May 2, 2013
    • Hiroshi Terui
    • G02 - OPTICS
  • Information Patent Application

    PLANAR LIGHTWAVE CIRCUIT
    • Publication number 20120328236
    • Publication date Dec 27, 2012
    • NTT Electronics Corporation
    • Yusuke Nasu
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL 90-DEGREE HYBRID CIRCUIT
    • Publication number 20120141067
    • Publication date Jun 7, 2012
    • Nippon Telegraph and Telephone Corporation
    • Yohei Sakamaki
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    OPTICAL 90-DEGREE HYBRID CIRCUIT
    • Publication number 20120093457
    • Publication date Apr 19, 2012
    • Nippon Telegraph and Telephone Corporation
    • Yohei Sakamaki
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    OPTICAL 90-DEGREE HYBRID CIRCUIT
    • Publication number 20120082414
    • Publication date Apr 5, 2012
    • Nippon Telegraph and Telephone Corporation
    • Yohei Sakamaki
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE