TREA

SHOJI AKATSUKA

Follow

Person

  • BISAI-SHI, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Sensor having tube cap restricting rearward movement of heat shield...
    • Patent number 11,199,474
    • Issue date Dec 14, 2021
    • NGK Spark Plug Co., Ltd.
    • Keiichi Nodo
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Gas sensor
    • Patent number 7,927,475
    • Issue date Apr 19, 2011
    • NGK Spark Plug Co., Ltd.
    • Hiroshi Isomura
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Gas sensor production method and gas sensor
    • Patent number 7,631,539
    • Issue date Dec 15, 2009
    • NGK Spark Plug Co., Ltd.
    • Shoji Akatsuka
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Gas sensor
    • Patent number 7,036,352
    • Issue date May 2, 2006
    • NGK Spark Plug Co., Ltd.
    • Hiroshi Isomura
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Oxygen sensor
    • Patent number 6,660,143
    • Issue date Dec 9, 2003
    • NGK Spark Plug Co., Ltd.
    • Shoji Akatsuka
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Gas sensor
    • Patent number 6,548,023
    • Issue date Apr 15, 2003
    • NGK Spark Plug Co., Ltd.
    • Kouji Matsuo
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Gas sensor
    • Patent number 6,500,322
    • Issue date Dec 31, 2002
    • NGK Spark Plug Co., Ltd.
    • Shoji Akatsuka
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Oxygen sensor
    • Patent number 6,395,159
    • Issue date May 28, 2002
    • NGK Spark Plug Co., Ltd.
    • Kouji Matsuo
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Oxygen sensor
    • Patent number 6,383,353
    • Issue date May 7, 2002
    • NGK Spark Plug Co., Ltd.
    • Shoji Akatsuka
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Oxygen sensor with a heater
    • Patent number 6,267,857
    • Issue date Jul 31, 2001
    • NGK Spark Plug Co., Ltd.
    • Shoji Akatsuka
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Oxygen sensor with a heater
    • Patent number 5,804,050
    • Issue date Sep 8, 1998
    • NGK Spark Plug Co., Ltd.
    • Nobuhiro Hayakawa
    • G01 - MEASURING TESTING

Patents Applicationslast 30 patents

  • Information Patent Application

    SENSOR
    • Publication number 20190310166
    • Publication date Oct 10, 2019
    • NGK SPARK PLUG CO., LTD.
    • Keiichi NODO
    • G01 - MEASURING TESTING
  • Information Patent Application

    Gas sensor production method and gas sensor
    • Publication number 20070167079
    • Publication date Jul 19, 2007
    • NGK SPARK PLUG CO., LTD
    • Shoji Akatsuka
    • G01 - MEASURING TESTING
  • Information Patent Application

    Gas sensor
    • Publication number 20050029101
    • Publication date Feb 10, 2005
    • NGK SPARK PLUG CO., LTD.
    • Hiroshi Isomura
    • G01 - MEASURING TESTING
  • Information Patent Application

    Gas sensor
    • Publication number 20050016257
    • Publication date Jan 27, 2005
    • NGK SPARK PLUG CO., LTD.
    • Hiroshi Isomura
    • G01 - MEASURING TESTING
  • Information Patent Application

    OXYGEN SENSOR
    • Publication number 20010054552
    • Publication date Dec 27, 2001
    • KOUJI MATSUO
    • G01 - MEASURING TESTING
  • Information Patent Application

    Gas sensor
    • Publication number 20010002651
    • Publication date Jun 7, 2001
    • Shoji Akatsuka
    • G01 - MEASURING TESTING