TREA

Yoshifumi Muramoto

Follow

Person

  • Kanagawa, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Light-receiving element and method for manufacturing element
    • Patent number 11,264,519
    • Issue date Mar 1, 2022
    • Nippon Telegraph and Telephone Corporation
    • Yoshiho Maeda
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Optical waveguide integrated light receiving element and method of...
    • Patent number 10,374,107
    • Issue date Aug 6, 2019
    • Nippon Telegraph and Telephone Corporation
    • Masahiro Nada
    • G02 - OPTICS
  • Information Patent Grant

    Avalanche photodiode
    • Patent number 10,297,705
    • Issue date May 21, 2019
    • Nippon Telegraph and Telephone Corporation
    • Masahiro Nada
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Avalanche photodiode
    • Patent number 9,006,854
    • Issue date Apr 14, 2015
    • NTT Electronics Corporation
    • Tadao Ishibashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Optical semiconductor device
    • Patent number 8,916,946
    • Issue date Dec 23, 2014
    • Nippon Telegraph and Telephone Corporation
    • Yoshiyuki Doi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device
    • Patent number 8,754,445
    • Issue date Jun 17, 2014
    • NTT Electronics Corporation
    • Tadao Ishibashi
    • G02 - OPTICS
  • Information Patent Grant

    Avalanche photodiode
    • Patent number 8,729,602
    • Issue date May 20, 2014
    • NTT Electronics Corporation
    • Tadao Ishibashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Optical semiconductor device
    • Patent number 8,704,322
    • Issue date Apr 22, 2014
    • Nippon Telegraph and Telephone Corporation
    • Yoshiyuki Doi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Avalanche photodiode
    • Patent number 8,575,650
    • Issue date Nov 5, 2013
    • NTT Electronics Corporation
    • Tadao Ishibashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Avalanche photodiode having doping region with monotonically increa...
    • Patent number 7,880,197
    • Issue date Feb 1, 2011
    • NTT Electronics Corporation
    • Tadao Ishibashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Photodiode
    • Patent number 6,909,161
    • Issue date Jun 21, 2005
    • NTT Electronics Corporation
    • Tadao Ishibashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor photodetector
    • Patent number 5,949,120
    • Issue date Sep 7, 1999
    • Nippon Telegraph & Telephone Corporation
    • Kazutoshi Kato
    • G02 - OPTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    Light-Receiving Element and Method for Manufacturing Element
    • Publication number 20210043785
    • Publication date Feb 11, 2021
    • Nippon Telegraph and Telephone Corporation
    • Yoshiho Maeda
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    OPTICAL WAVEGUIDE INTEGRATED LIGHT RECEIVING ELEMENT AND METHOD OF...
    • Publication number 20190157472
    • Publication date May 23, 2019
    • Nippon Telegraph and Telephone Corporation
    • Masahiro NADA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    AVALANCHE PHOTODIODE
    • Publication number 20180331246
    • Publication date Nov 15, 2018
    • Nippon Telegraph and Telephone Corporation
    • Masahiro NADA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    OPTICAL SEMICONDUCTOR DEVICE
    • Publication number 20140183677
    • Publication date Jul 3, 2014
    • NTT Electronics Corporation
    • Yoshiyuki Doi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20130313608
    • Publication date Nov 28, 2013
    • Nippon Telegraph and Telephone Corporation
    • Tadao Ishibashi
    • G02 - OPTICS
  • Information Patent Application

    AVALANCHE PHOTODIODE
    • Publication number 20130168793
    • Publication date Jul 4, 2013
    • NTT ELECTRONICS CORPORATION
    • Tadao Ishibashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    AVALANCHE PHOTODIODE
    • Publication number 20130154045
    • Publication date Jun 20, 2013
    • Nippon Telegraph and Telephone Corporation
    • Tadao Ishibashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    OPTICAL SEMICONDUCTOR DEVICE
    • Publication number 20120193740
    • Publication date Aug 2, 2012
    • NTT Electronics Corporation
    • Yoshiyuki Doi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    AVALANCHE PHOTODIODE
    • Publication number 20110241150
    • Publication date Oct 6, 2011
    • NTT Electronics Corporation
    • Tadao Ishibashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    AVALANCHE PHOTODIODE
    • Publication number 20100163925
    • Publication date Jul 1, 2010
    • NTT ELECTRONICS CORPORATION
    • Tadao Ishibashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Photodiode
    • Publication number 20050001239
    • Publication date Jan 6, 2005
    • Tadao Ishibashi
    • H01 - BASIC ELECTRIC ELEMENTS