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Masashi Yokoyama

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  • Saitama-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Anti-reflection film
    • Patent number 12,038,557
    • Issue date Jul 16, 2024
    • Daicel Corporation
    • Takahiro Sakakibara
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Anti-Newton ring film, and manufacturing method and use thereof
    • Patent number 11,947,136
    • Issue date Apr 2, 2024
    • Daicel Corporation
    • Masashi Yokoyama
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Image forming apparatus
    • Patent number 11,921,452
    • Issue date Mar 5, 2024
    • Canon Kabushiki Kaisha
    • Kiyoharu Kakomura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Image forming apparatus
    • Patent number 11,385,578
    • Issue date Jul 12, 2022
    • Canon Kabushiki Kaisha
    • Masashi Yokoyama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Image forming apparatus
    • Patent number 10,890,872
    • Issue date Jan 12, 2021
    • Canon Kabushiki Kaisha
    • Ryou Sakaguchi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Image forming apparatus and control method for an image forming app...
    • Patent number 10,474,084
    • Issue date Nov 12, 2019
    • Canon Kabushiki Kaisha
    • Masashi Yokoyama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Image forming apparatus that executes image processing correspondin...
    • Patent number 10,341,502
    • Issue date Jul 2, 2019
    • Canon Kabushiki Kaisha
    • Naoko Mima
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Anti-glare film and process for producing the same
    • Patent number 9,891,352
    • Issue date Feb 13, 2018
    • DAICEL CORPORATION
    • Masaki Hayashi
    • G02 - OPTICS
  • Information Patent Grant

    Metal support for exhaust gas purifying catalyst
    • Patent number 6,500,393
    • Issue date Dec 31, 2002
    • Honda Giken Kogyo Kabushiki Kaisha
    • Masaharu Nakamori
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Stacking and forwarding apparatus
    • Patent number 5,236,300
    • Issue date Aug 17, 1993
    • Sanjo Machine Works, Ltd.
    • Satoru Aida
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Motor scooter
    • Patent number 4,964,483
    • Issue date Oct 23, 1990
    • Honda Giken Kogyo Kabushiki Kaisha
    • Masashi Yokoyama
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

  • Information Patent Application

    IMAGE FORMING SYSTEM
    • Publication number 20240411257
    • Publication date Dec 12, 2024
    • Canon Kabushiki Kaisha
    • MASASHI YOKOYAMA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20240160139
    • Publication date May 16, 2024
    • Canon Kabushiki Kaisha
    • Kiyoharu Kakomura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    LAMINATED FILM AND FLEXIBLE DEVICE
    • Publication number 20230399479
    • Publication date Dec 14, 2023
    • DAICEL CORPORATION
    • Masashi YOKOYAMA
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20230236534
    • Publication date Jul 27, 2023
    • Canon Kabushiki Kaisha
    • Kiyoharu Kakomura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20220035282
    • Publication date Feb 3, 2022
    • Canon Kabushiki Kaisha
    • Masashi Yokoyama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    ANTI-REFLECTION FILM
    • Publication number 20210072426
    • Publication date Mar 11, 2021
    • DAICEL CORPORATION
    • Takahiro SAKAKIBARA
    • G02 - OPTICS
  • Information Patent Application

    ANTI-NEWTON RING FILM, AND MANUFACTURING METHOD AND USE THEREOF
    • Publication number 20200355855
    • Publication date Nov 12, 2020
    • DAICEL CORPORATION
    • Masashi YOKOYAMA
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    IMAGE FORMING APPARATUS AND CONTROL METHOD FOR AN IMAGE FORMING AP...
    • Publication number 20190187604
    • Publication date Jun 20, 2019
    • Canon Kabushiki Kaisha
    • Masashi Yokoyama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20190113878
    • Publication date Apr 18, 2019
    • Canon Kabushiki Kaisha
    • Ryou Sakaguchi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS THAT EXECUTES IMAGE PROCESSING CORRESPONDIN...
    • Publication number 20180103157
    • Publication date Apr 12, 2018
    • Canon Kabushiki Kaisha
    • Naoko Mima
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ANTI-GLARE FILM AND PROCESS FOR PRODUCING THE SAME
    • Publication number 20150301237
    • Publication date Oct 22, 2015
    • Daicel Corporation
    • Masaki HAYASHI
    • G02 - OPTICS
  • Information Patent Application

    METAL SUPPORT FOR EXHAUST GAS PURIFYING CATALYST
    • Publication number 20020081245
    • Publication date Jun 27, 2002
    • MASAHARU NAKAMORI
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Application

    METAL CARRIER FOR A CATALYST
    • Publication number 20020037242
    • Publication date Mar 28, 2002
    • MASAHARU NAKAMORI
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL