TREA

Kenichi Kamada

Follow

Person

  • Sukagawa-city, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Imaging lens
    • Patent number 12,366,736
    • Issue date Jul 22, 2025
    • TOKYO VISIONARY OPTICS CO., LTD.
    • Kenichi Kamada
    • G02 - OPTICS
  • Information Patent Grant

    Imaging lens including five lenses of +−++−refractive powers
    • Patent number 11,982,872
    • Issue date May 14, 2024
    • TOKYO VISIONARY OPTICS CO., LTD.
    • Kenichi Kamada
    • G02 - OPTICS
  • Information Patent Grant

    Imaging lens including six lenses of +−−−−+, +−−+−+ or +−−−+− refra...
    • Patent number 11,982,874
    • Issue date May 14, 2024
    • TOKYO VISIONARY OPTICS Co., Ltd.
    • Kenichi Kamada
    • G02 - OPTICS
  • Information Patent Grant

    Imaging lens including six lenses of +−−−−+, +−−+−+ or +−−−+− refra...
    • Patent number 11,982,873
    • Issue date May 14, 2024
    • TOKYO VISIONARY OPTICS CO., LTD.
    • Kenichi Kamada
    • G02 - OPTICS
  • Information Patent Grant

    Imaging lens
    • Patent number 11,835,687
    • Issue date Dec 5, 2023
    • TOKYO VISIONARY OPTICS CO., LTD.
    • Kenichi Kamada
    • G02 - OPTICS
  • Information Patent Grant

    Imaging lens
    • Patent number 11,808,924
    • Issue date Nov 7, 2023
    • TOKYO VISIONARY OPTICS CO., LTD.
    • Shingo Yuza
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Imaging lens including seven lenses of +−−+0+−, +−−+−+−, +−−−−+− or...
    • Patent number 11,733,495
    • Issue date Aug 22, 2023
    • TOKYO VISIONARY OPTICS CO., LTD.
    • Kenichi Kamada
    • G02 - OPTICS
  • Information Patent Grant

    Imaging lens
    • Patent number 11,668,897
    • Issue date Jun 6, 2023
    • TOKYO VISIONARY OPTICS CO., LTD.
    • Yukio Sekine
    • G02 - OPTICS
  • Information Patent Grant

    Imaging lens including seven lenses of +--+0+, +--+-+-, +---+- or +...
    • Patent number 11,635,587
    • Issue date Apr 25, 2023
    • TOKYO VISIONARY OPTICS CO., LTD.
    • Kenichi Kamada
    • G02 - OPTICS
  • Information Patent Grant

    Imaging lens
    • Patent number 11,609,407
    • Issue date Mar 21, 2023
    • TOKYO VISIONARY OPTICS CO., LTD.
    • Shingo Yuza
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Imaging lens
    • Patent number 11,467,378
    • Issue date Oct 11, 2022
    • TOKYO VISIONARY OPTICS CO., LTD.
    • Hisao Fukaya
    • 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
    • Patent number 11,215,800
    • Issue date Jan 4, 2022
    • TOKYO VISIONARY OPTICS CO., LTD.
    • Hisao Fukaya
    • G02 - OPTICS
  • Information Patent Grant

    Imaging lens
    • Patent number 10,859,800
    • Issue date Dec 8, 2020
    • Kantatsu Co., Ltd.
    • Hisao Fukaya
    • 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 10,534,159
    • Issue date Jan 14, 2020
    • Kantatsu Co., Ltd.
    • Hisao Fukaya
    • G02 - OPTICS
  • Information Patent Grant

    Imaging lens
    • Patent number 10,209,485
    • Issue date Feb 19, 2019
    • Kantatsu Co., Ltd.
    • Shingo Yuza
    • G02 - OPTICS
  • Information Patent Grant

    Imaging lens
    • Patent number 8,767,298
    • Issue date Jul 1, 2014
    • Kantatsu Co., Ltd.
    • Hisanori Suzuki
    • G02 - OPTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    IMAGING LENS
    • Publication number 20220317422
    • Publication date Oct 6, 2022
    • TOKYO VISIONARY OPTICS CO., LTD.
    • Kenichi KAMADA
    • G02 - OPTICS
  • Information Patent Application

    IMAGING LENS
    • Publication number 20220099924
    • Publication date Mar 31, 2022
    • TOKYO VISIONARY OPTICS CO., LTD.
    • Kenichi KAMADA
    • G02 - OPTICS
  • Information Patent Application

    IMAGING LENS
    • Publication number 20210389572
    • Publication date Dec 16, 2021
    • KANTATSU CO., LTD
    • Shingo YUZA
    • G02 - OPTICS
  • Information Patent Application

    IMAGING LENS
    • Publication number 20210382275
    • Publication date Dec 9, 2021
    • Kantatsu Co., Ltd.
    • Kenichi KAMADA
    • G02 - OPTICS
  • Information Patent Application

    IMAGING LENS
    • Publication number 20210356696
    • Publication date Nov 18, 2021
    • Kantatsu Co., Ltd.
    • Kenichi KAMADA
    • G02 - OPTICS
  • Information Patent Application

    IMAGING LENS
    • Publication number 20210356716
    • Publication date Nov 18, 2021
    • Kantatsu Co., Ltd.
    • Kenichi KAMADA
    • G02 - OPTICS
  • Information Patent Application

    IMAGING LENS
    • Publication number 20210356715
    • Publication date Nov 18, 2021
    • Kantatsu Co., Ltd.
    • Shingo YUZA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    IMAGING LENS
    • Publication number 20210231922
    • Publication date Jul 29, 2021
    • Kantatsu Co., Ltd.
    • Yukio SEKINE
    • G02 - OPTICS
  • Information Patent Application

    IMAGING LENS
    • Publication number 20210109322
    • Publication date Apr 15, 2021
    • Kantatsu Co., Ltd.
    • Shingo YUZA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    IMAGING LENS
    • Publication number 20210063696
    • Publication date Mar 4, 2021
    • Kantatsu Co., Ltd.
    • Kenichi KAMADA
    • G02 - OPTICS
  • Information Patent Application

    IMAGING LENS
    • Publication number 20210055509
    • Publication date Feb 25, 2021
    • Kantatsu Co., Ltd.
    • Kenichi KAMADA
    • G02 - OPTICS
  • 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 20200150396
    • Publication date May 14, 2020
    • KANTATSU CO., LTD
    • Hisao FUKAYA
    • G02 - OPTICS
  • Information Patent Application

    IMAGING LENS
    • Publication number 20200150397
    • Publication date May 14, 2020
    • KANTATSU CO., LTD
    • Hisao FUKAYA
    • 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 20120162769
    • Publication date Jun 28, 2012
    • KANTATSU CO., LTD
    • Hisanori Suzuki
    • G02 - OPTICS