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Yu Yamada

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Patents Grantslast 30 patents

  • Information Patent Grant

    Transformer
    • Patent number 11,107,617
    • Issue date Aug 31, 2021
    • Hitachi, Ltd.
    • Yu Yamada
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Stationary induction electric device
    • Patent number 10,861,634
    • Issue date Dec 8, 2020
    • Hitachi, Ltd.
    • Naoya Miyamoto
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Organic electroluminescent device
    • Patent number 7,816,020
    • Issue date Oct 19, 2010
    • Nippon Steel Chemical Co., Ltd.
    • Osamu Yoshitake
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Organic electroluminescent device
    • Patent number 7,582,364
    • Issue date Sep 1, 2009
    • Nippon Steel Chemical Co., Ltd.
    • Osamu Yoshitake
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Finite distance zoom lens
    • Patent number 4,889,416
    • Issue date Dec 26, 1989
    • Canon Kabushiki Kaisha
    • Yu Yamada
    • G02 - OPTICS
  • Information Patent Grant

    Variable magnification optical system
    • Patent number 4,560,242
    • Issue date Dec 24, 1985
    • Canon Kabushiki Kaisha
    • Mitsuhiro Tokuhara
    • G02 - OPTICS
  • Information Patent Grant

    Image rotating optical system
    • Patent number 4,529,276
    • Issue date Jul 16, 1985
    • Canon Kabushiki Kaisha
    • Yu Yamada
    • G02 - OPTICS
  • Information Patent Grant

    Image forming apparatus
    • Patent number 4,523,838
    • Issue date Jun 18, 1985
    • Canon Kabushiki Kaisha
    • Yu Yamada
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Optical system for microfilm
    • Patent number 4,464,024
    • Issue date Aug 7, 1984
    • Canon Kabushiki Kaisha
    • Yu Yamada
    • G02 - OPTICS
  • Information Patent Grant

    Optical scanning device
    • Patent number 4,461,565
    • Issue date Jul 24, 1984
    • Canon Kabushiki Kaisha
    • Yu Yamada
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Optical scanning device
    • Patent number 4,447,147
    • Issue date May 8, 1984
    • Canon Kabushiki Kaisha
    • Yu Yamada
    • G02 - OPTICS
  • Information Patent Grant

    Scanning illuminating device
    • Patent number 4,429,353
    • Issue date Jan 31, 1984
    • Canon Kabushiki Kaisha
    • Mitsuhiro Tokuhara
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Scanning illuminator
    • Patent number 4,364,658
    • Issue date Dec 21, 1982
    • Canon Kabushiki Kaisha
    • Susumu Seto
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Scanning illuminator
    • Patent number 4,350,433
    • Issue date Sep 21, 1982
    • Canon Kabushiki Kaisha
    • Susumu Seto
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Film reader
    • Patent number 4,339,183
    • Issue date Jul 13, 1982
    • Canon Kabushiki Kaisha
    • Yu Yamada
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Copying lens system
    • Patent number 4,285,579
    • Issue date Aug 25, 1981
    • Canon Kabushiki Kaisha
    • Yu Yamada
    • G02 - OPTICS
  • Information Patent Grant

    Projection optical system
    • Patent number 4,236,789
    • Issue date Dec 2, 1980
    • Canon Kabushiki Kaisha
    • Yu Yamada
    • G02 - OPTICS
  • Information Patent Grant

    Film reader
    • Patent number 4,229,085
    • Issue date Oct 21, 1980
    • Canon Kabushiki Kaisha
    • Yu Yamada
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Catadioptric wide-angle lens system for reproduction
    • Patent number 4,103,990
    • Issue date Aug 1, 1978
    • Canon Kabushiki Kaisha
    • Yu Yamada
    • G02 - OPTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    SENSING DATA CORRECTION SYSTEM AND SENSING DATA CORRECTION METHOD
    • Publication number 20240118151
    • Publication date Apr 11, 2024
    • Hitachi, Ltd
    • Hiroyuki YOSHIMOTO
    • G01 - MEASURING TESTING
  • Information Patent Application

    PRESSURE SENSOR AND WEARABLE SENSOR
    • Publication number 20240118156
    • Publication date Apr 11, 2024
    • Hitachi, Ltd
    • Hiroyuki YOSHIMOTO
    • G01 - MEASURING TESTING
  • Information Patent Application

    WEARABLE SENSOR AND WEARABLE SENSOR SYSTEM
    • Publication number 20230363710
    • Publication date Nov 16, 2023
    • Hitachi, Ltd
    • Yu YAMADA
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    MEASUREMENT DEVICE
    • Publication number 20190318645
    • Publication date Oct 17, 2019
    • Coaido Inc.
    • Makoto Gensho
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    Stationary Induction Electric Device
    • Publication number 20190122805
    • Publication date Apr 25, 2019
    • Hitachi, Ltd
    • Naoya MIYAMOTO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    TRANSFORMER
    • Publication number 20190096562
    • Publication date Mar 28, 2019
    • Hitachi, Ltd
    • Yu YAMADA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Organic Electroluminescent Device
    • Publication number 20080093984
    • Publication date Apr 24, 2008
    • Osamu Yoshitake
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Organic electroluminescent device
    • Publication number 20070012935
    • Publication date Jan 18, 2007
    • NIPPON STEEL CHEMICAL CO., LTD.
    • Osamu Yoshitake
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Organic electroluminescent element
    • Publication number 20060186791
    • Publication date Aug 24, 2006
    • Osamu Yoshitake
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR