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Koji Nitta

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Patents Grantslast 30 patents

  • Information Patent Grant

    Imaging lens
    • Patent number 12,235,413
    • Issue date Feb 25, 2025
    • TOKYO VISIONARY OPTICS CO., LTD.
    • Koji Nitta
    • G02 - OPTICS
  • Information Patent Grant

    Imaging lens
    • Patent number 12,216,335
    • Issue date Feb 4, 2025
    • TOKYO VISIONARY OPTICS CO., LTD.
    • Koji Nitta
    • G02 - OPTICS
  • Information Patent Grant

    Imaging lens
    • Patent number 12,078,785
    • Issue date Sep 3, 2024
    • TOKYO VISIONARY OPTICS CO., LTD.
    • Koji Nitta
    • G02 - OPTICS
  • Information Patent Grant

    Imaging lens including seven lenses of +−+0+−−,+−+0−+− or +−+0++− r...
    • Patent number 11,994,656
    • Issue date May 28, 2024
    • TOKYO VISIONARY OPTICS CO., LTD.
    • Koji Nitta
    • G02 - OPTICS
  • Information Patent Grant

    Imaging lens including seven lenses of +−+0+−−, +−+0−+−or +−+0++−re...
    • Patent number 11,988,816
    • Issue date May 21, 2024
    • TOKYO VISIONARY OPTICS CO., LTD.
    • Koji Nitta
    • G02 - OPTICS
  • Information Patent Grant

    Imaging lens
    • Patent number 11,852,788
    • Issue date Dec 26, 2023
    • TOKYO VISIONARY OPTICS CO., LTD.
    • Koji Nitta
    • G02 - OPTICS
  • Information Patent Grant

    Imaging lens
    • Patent number 11,740,436
    • Issue date Aug 29, 2023
    • TOKYO VISIONARY OPTICS CO., LTD.
    • Koji Nitta
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Imaging lens
    • Patent number 11,675,162
    • Issue date Jun 13, 2023
    • TOKYO VISIONARY OPTICS CO., LTD.
    • Koji Nitta
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Imaging lens
    • Patent number 11,668,901
    • Issue date Jun 6, 2023
    • TOKYO VISIONARY OPTICS CO., LTD.
    • Koji Nitta
    • G02 - OPTICS
  • Information Patent Grant

    Imaging lens
    • Patent number 11,604,335
    • Issue date Mar 14, 2023
    • TOKYO VISIONARY OPTICS CO., LTD.
    • Koji Nitta
    • G02 - OPTICS
  • Information Patent Grant

    Imaging lens
    • Patent number 11,567,298
    • Issue date Jan 31, 2023
    • TOKYO VISIONARY OPTICS CO., LTD.
    • Koji Nitta
    • G02 - OPTICS
  • Information Patent Grant

    Imaging lens
    • Patent number 11,561,374
    • Issue date Jan 24, 2023
    • TOKYO VISIONARY OPTICS CO., LTD.
    • Koji Nitta
    • G02 - OPTICS
  • Information Patent Grant

    Imaging lens
    • Patent number 11,513,319
    • Issue date Nov 29, 2022
    • TOKYO VISIONARY OPTICS CO., LTD.
    • Koji Nitta
    • G02 - OPTICS
  • Information Patent Grant

    Imaging lens
    • Patent number 11,294,147
    • Issue date Apr 5, 2022
    • TOKYO VISIONARY OPTICS CO., LTD.
    • Yukio Sekine
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Imaging lens
    • Patent number 11,275,231
    • Issue date Mar 15, 2022
    • TOKYO VISIONARY OPTICS CO., LTD.
    • Yukio Sekine
    • G02 - OPTICS
  • Information Patent Grant

    Imaging lens including six lenses of +−++0− refractive powers
    • Patent number 11,262,543
    • Issue date Mar 1, 2022
    • TOKYO VISIONARY OPTICS CO., LTD.
    • Koji Nitta
    • G02 - OPTICS
  • Information Patent Grant

    Imaging lens
    • Patent number 11,061,206
    • Issue date Jul 13, 2021
    • Kantatsu Co., Ltd.
    • Koji Nitta
    • G02 - OPTICS
  • Information Patent Grant

    Imaging lens
    • Patent number 10,802,253
    • Issue date Oct 13, 2020
    • KANTATSU CO., LTD.
    • Koji Nitta
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Imaging lens
    • Patent number 10,754,125
    • Issue date Aug 25, 2020
    • Kantatsu Co., Ltd.
    • Koji Nitta
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Imaging lens
    • Patent number 10,739,560
    • Issue date Aug 11, 2020
    • Kantatsu Co., Ltd.
    • Koji Nitta
    • G02 - OPTICS
  • Information Patent Grant

    Imaging lens
    • Patent number 10,678,021
    • Issue date Jun 9, 2020
    • Kantatsu Co., Ltd.
    • Yukio Sekine
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Imaging lens
    • Patent number 10,663,695
    • Issue date May 26, 2020
    • Kantatsu Co., Ltd.
    • Koji Nitta
    • G02 - OPTICS
  • Information Patent Grant

    Electrophotographic printer with developing unit employing two-comp...
    • Patent number 5,003,353
    • Issue date Mar 26, 1991
    • Oki Electric Industry Co., Ltd.
    • Koji Nitta
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

  • Information Patent Application

    IMAGING LENS
    • Publication number 20210373296
    • Publication date Dec 2, 2021
    • Kantatsu Co., Ltd.
    • Koji NITTA
    • G02 - OPTICS
  • Information Patent Application

    IMAGING LENS
    • Publication number 20210373297
    • Publication date Dec 2, 2021
    • Kantatsu Co., Ltd.
    • Koji NITTA
    • G02 - OPTICS
  • Information Patent Application

    IMAGING LENS
    • Publication number 20210364761
    • Publication date Nov 25, 2021
    • Kantatsu Co., Ltd.
    • Koji NITTA
    • G02 - OPTICS
  • Information Patent Application

    IMAGING LENS
    • Publication number 20210356700
    • Publication date Nov 18, 2021
    • Kantatsu Co., Ltd.
    • Koji NITTA
    • G02 - OPTICS
  • Information Patent Application

    IMAGING LENS
    • Publication number 20210311289
    • Publication date Oct 7, 2021
    • KANTATSU CO., LTD
    • Koji NITTA
    • G02 - OPTICS
  • Information Patent Application

    IMAGING LENS
    • Publication number 20210191086
    • Publication date Jun 24, 2021
    • Kantatsu Co., Ltd.
    • Koji NITTA
    • G02 - OPTICS
  • Information Patent Application

    IMAGING LENS
    • Publication number 20210088755
    • Publication date Mar 25, 2021
    • Kantatsu Co., Ltd.
    • Koji NITTA
    • G02 - OPTICS
  • Information Patent Application

    IMAGING LENS
    • Publication number 20210018730
    • Publication date Jan 21, 2021
    • Kantatsu Co., Ltd.
    • Koji NITTA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    IMAGING LENS
    • Publication number 20200301114
    • Publication date Sep 24, 2020
    • KANTATSU CO., LTD
    • Koji NITTA
    • G02 - OPTICS
  • Information Patent Application

    IMAGING LENS
    • Publication number 20200301103
    • Publication date Sep 24, 2020
    • KANTATSU CO., LTD.
    • Koji NITTA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    IMAGING LENS
    • Publication number 20200301113
    • Publication date Sep 24, 2020
    • KANTATSU CO., LTD
    • Koji NITTA
    • G02 - OPTICS
  • Information Patent Application

    IMAGING LENS
    • Publication number 20200301104
    • Publication date Sep 24, 2020
    • KANTATSU CO., LTD.
    • Koji NITTA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    IMAGING LENS
    • Publication number 20200292785
    • Publication date Sep 17, 2020
    • KANTATSU CO., LTD
    • Yukio SEKINE
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    IMAGING LENS
    • Publication number 20200292786
    • Publication date Sep 17, 2020
    • KANTATSU CO., LTD
    • Yukio SEKINE
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    IMAGING LENS
    • Publication number 20200249435
    • Publication date Aug 6, 2020
    • KANTATSU CO., LTD
    • Koji NITTA
    • G02 - OPTICS
  • Information Patent Application

    IMAGING LENS
    • Publication number 20200209553
    • Publication date Jul 2, 2020
    • KANTATSU CO., LTD.
    • Koji NITTA
    • G02 - OPTICS
  • Information Patent Application

    IMAGING LENS
    • Publication number 20200174227
    • Publication date Jun 4, 2020
    • KANTATSU CO., LTD
    • Koji NITTA
    • G02 - OPTICS
  • Information Patent Application

    IMAGING LENS
    • Publication number 20190310443
    • Publication date Oct 10, 2019
    • KANTATSU CO., LTD
    • Koji NITTA
    • G02 - OPTICS
  • Information Patent Application

    IMAGING LENS
    • Publication number 20190265438
    • Publication date Aug 29, 2019
    • KANTATSU CO., LTD.
    • Yukio SEKINE
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    IMAGING LENS
    • Publication number 20190154966
    • Publication date May 23, 2019
    • KANTATSU CO., LTD.
    • Koji NITTA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    IMAGING LENS
    • Publication number 20190129137
    • Publication date May 2, 2019
    • KANTATSU CO., LTD.
    • Koji NITTA
    • G02 - OPTICS
  • Information Patent Application

    IMAGING LENS
    • Publication number 20190011672
    • Publication date Jan 10, 2019
    • KANTATSU CO., LTD
    • Koji NITTA
    • G02 - OPTICS