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Akihiko Hosaka

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Patents Grantslast 30 patents

  • Information Patent Grant

    Earphones
    • Patent number 11,711,642
    • Issue date Jul 25, 2023
    • MOVE COMPANY LIMITED
    • Akihiko Hosaka
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Earphones
    • Patent number 11,445,293
    • Issue date Sep 13, 2022
    • MOVE COMPANY LIMITED
    • Akihiko Hosaka
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Earphone
    • Patent number 10,397,685
    • Issue date Aug 27, 2019
    • Dai-Ichi Seiko Co., Ltd.
    • Kenji Ogata
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker for generating sound based on digital signal
    • Patent number 10,104,477
    • Issue date Oct 16, 2018
    • Dai-Ichi Seiko Co., Ltd.
    • Kenji Ogata
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Digital speaker, speaker system, and earphones
    • Patent number 10,021,473
    • Issue date Jul 10, 2018
    • Dai-Ichi Seiko Co., Ltd.
    • Kenji Ogata
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Hermetically sealed lash adjuster
    • Patent number 9,567,877
    • Issue date Feb 14, 2017
    • Toyota Jidosha Kabushiki Kaisha
    • Shouji Katsumata
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Sealed lash adjuster and seal structure between first and second parts
    • Patent number 8,261,710
    • Issue date Sep 11, 2012
    • Toyota Jidosha Kabushiki Kaisha
    • Shouji Katsumata
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Sealed lash adjuster and method for adjusting amount of liquid seal...
    • Patent number 7,779,805
    • Issue date Aug 24, 2010
    • Toyota Jidosha Kabushiki Kaisha
    • Shouji Katsumata
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Electro-acoustic transducer
    • Patent number 5,781,638
    • Issue date Jul 14, 1998
    • Sony Corporation
    • Akihiko Hosaka
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Monitor mounting fixture
    • Patent number 5,119,203
    • Issue date Jun 2, 1992
    • Casio Computer Co., Ltd.
    • Akihiko Hosaka
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Oil pressure rush adjuster of a directly acting type
    • Patent number 4,991,550
    • Issue date Feb 12, 1991
    • Nittan Valve Co., Ltd.
    • Akihiko Hosaka
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,609,588
    • Issue date Sep 2, 1986
    • TDK Corporation
    • Akihiko Hosaka
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,600,650
    • Issue date Jul 15, 1986
    • TDK Corporation
    • Akihiko Hosaka
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,460,651
    • Issue date Jul 17, 1984
    • TDK Corporation
    • Akihiko Hosaka
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Process for producing a magnetic recording medium
    • Patent number 4,459,319
    • Issue date Jul 10, 1984
    • TDK Corporation
    • Akihiko Hosaka
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,404,259
    • Issue date Sep 13, 1983
    • TDK Electronics Co., Ltd.
    • Akihiko Hosaka
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,391,864
    • Issue date Jul 5, 1983
    • TDK Electronics Co., Ltd.
    • Akihiko Hosaka
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,389,458
    • Issue date Jun 21, 1983
    • TDK Electronics Co., Ltd.
    • Akihiko Hosaka
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,370,384
    • Issue date Jan 25, 1983
    • TDK Electronics Co., Ltd.
    • Akihiko Hosaka
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,367,264
    • Issue date Jan 4, 1983
    • TDK Electronics Co., Ltd.
    • Akihiko Hosaka
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,361,621
    • Issue date Nov 30, 1982
    • TDK Electronics Co., Ltd.
    • Yukihiro Isobe
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,357,391
    • Issue date Nov 2, 1982
    • TDK Electronics Co., Ltd.
    • Akihiko Hosaka
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Magnetic recording medium and preparation thereof
    • Patent number 4,336,310
    • Issue date Jun 22, 1982
    • TDK Electronics Co., Ltd.
    • Kiyotaka Okuyama
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,332,863
    • Issue date Jun 1, 1982
    • TDK Electronics Co., Ltd.
    • Akihiko Hosaka
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,329,398
    • Issue date May 11, 1982
    • TDK Electronics Co., Ltd.
    • Akihiko Hosaka
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,323,628
    • Issue date Apr 6, 1982
    • TDK Electronics Co., Ltd.
    • Kiyotaka Okuyama
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,307,154
    • Issue date Dec 22, 1981
    • TDK Electronics Co., Ltd.
    • Akihiko Hosaka
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,238,548
    • Issue date Dec 9, 1980
    • TDK Electronics Company Limited
    • Kiyotaka Okuyama
    • G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

  • Information Patent Application

    EARPHONES
    • Publication number 20220021968
    • Publication date Jan 20, 2022
    • Akihiko HOSAKA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    EARPHONES
    • Publication number 20210400369
    • Publication date Dec 23, 2021
    • Mei Company Limited
    • Akihiko HOSAKA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER
    • Publication number 20180167719
    • Publication date Jun 14, 2018
    • O2Aid, INC.
    • Akihiko Hosaka
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER
    • Publication number 20180167743
    • Publication date Jun 14, 2018
    • DAI-ICHI SEIKO CO., LTD.
    • Kenji Ogata
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    EARPHONE
    • Publication number 20180160209
    • Publication date Jun 7, 2018
    • DAI-ICHI SEIKO CO., LTD.
    • Kenji Ogata
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    DIGITAL SPEAKER, SPEAKER SYSTEM, AND EARPHONES
    • Publication number 20180139527
    • Publication date May 17, 2018
    • DAI-ICHI SEIKO CO., LTD.
    • Kenji Ogata
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Speaker and Earphone
    • Publication number 20180098147
    • Publication date Apr 5, 2018
    • O2aid, Inc.
    • Akihiko Hosaka
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    HERMETICALLY SEALED LASH ADJUSTER
    • Publication number 20110162610
    • Publication date Jul 7, 2011
    • Toyota Jidosha Kabushiki Kaisha
    • Shouji Katsumata
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    SEALED-TYPE LASH ADJUSTER
    • Publication number 20100282194
    • Publication date Nov 11, 2010
    • Toyota Jidosha Kabushiki Kaisha
    • Shouji Katsumata
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    SEALED LASH ADJUSTER AND SEAL STRUCTURE BETWEEN FIRST AND SECOND PARTS
    • Publication number 20100242886
    • Publication date Sep 30, 2010
    • Toyota Jidosha Kabushiki Kaisha
    • Shouji Katsumata
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Sealed Lash Adjuster and Method for Adjusting Amount of Liquid Seal...
    • Publication number 20090090324
    • Publication date Apr 9, 2009
    • Toyota Jidosha Kabushiki Kaisha
    • Shouji Katsumata
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES