TREA

Shigeki FUJISAWA

Follow

Person

  • Tokyo, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Ultraviolet light irradiation device, method of using ultraviolet l...
    • Patent number 12,318,495
    • Issue date Jun 3, 2025
    • Ushio Denki Kabushiki Kaisha
    • Keisuke Naito
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Ultraviolet ray generation device
    • Patent number 12,009,198
    • Issue date Jun 11, 2024
    • Ushio Denki Kabushiki Kaisha
    • Akihiro Kuno
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Excimer lamp
    • Patent number 11,569,083
    • Issue date Jan 31, 2023
    • Ushio Denki Kabushiki Kaisha
    • Shigeki Fujisawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Excimer lamp
    • Patent number 11,328,923
    • Issue date May 10, 2022
    • Ushio Denki Kabushiki Kaisha
    • Shigeki Fujisawa
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    FLUID TREATMENT DEVICE
    • Publication number 20250066223
    • Publication date Feb 27, 2025
    • Ushio Denki Kabushiki Kaisha
    • Minoru SHIGOKU
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Application

    FLUID TREATMENT DEVICE AND LIGHTING CIRCUIT
    • Publication number 20240334561
    • Publication date Oct 3, 2024
    • Ushio Denki Kabushiki Kaisha
    • Koji ODA
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Application

    ULTRAVIOLET RAY GENERATION DEVICE
    • Publication number 20240203725
    • Publication date Jun 20, 2024
    • Ushio Denki Kabushiki Kaisha
    • Akihiro KUNO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ULTRAVIOLET LIGHT IRRADIATION DEVICE
    • Publication number 20240123103
    • Publication date Apr 18, 2024
    • Ushio Denki Kabushiki Kaisha
    • Akihiro KUNO
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    INACTIVATION DEVICE FOR BACTERIA AND/OR VIRUSES
    • Publication number 20230293745
    • Publication date Sep 21, 2023
    • Ushio Denki Kabushiki Kaisha
    • Minoru Shigoku
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    ULTRAVIOLET LIGHT IRRADIATION DEVICE
    • Publication number 20230293746
    • Publication date Sep 21, 2023
    • Ushio Denki Kabushiki Kaisha
    • Shigeki FUJISAWA
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    ULTRAVIOLET LIGHT IRRADIATION DEVICE, METHOD OF USING ULTRAVIOLET L...
    • Publication number 20230248857
    • Publication date Aug 10, 2023
    • Ushio Denki Kabushiki Kaisha
    • Keisuke NAITO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    EXCIMER LAMP
    • Publication number 20220262617
    • Publication date Aug 18, 2022
    • Ushio Denki Kabushiki Kaisha
    • Shigeki FUJISAWA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    EXCIMER LAMP
    • Publication number 20210272792
    • Publication date Sep 2, 2021
    • Ushio Denki Kabushiki Kaisha
    • Shigeki FUJISAWA
    • H01 - BASIC ELECTRIC ELEMENTS