Hiroyuki TATSUMI

Person

  • Chiba, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Lubricant composition

    • Patent number 11,946,013
    • Issue date Apr 2, 2024
    • Idemitsu Kosan Co., Ltd.
    • Yasuhito Nakahara
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents

  • Information Patent Application

    LUBRICANT COMPOSITION

    • Publication number 20240043765
    • Publication date Feb 8, 2024
    • IDEMITSU KOSAN CO.,LTD.
    • Kazushige MATSUBARA
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    LUBRICANT COMPOSITION

    • Publication number 20230120889
    • Publication date Apr 20, 2023
    • IDEMITSU KOSAN CO.,LTD.
    • Kazushige MATSUBARA
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    LUBRICANT COMPOSITION

    • Publication number 20230039111
    • Publication date Feb 9, 2023
    • IDEMITSU KOSAN CO.,LTD.
    • Yasuhito NAKAHARA
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    LUBRICATING OIL BASE OIL, LUBRICATING OIL COMPOSITION, AND METHOD F...

    • Publication number 20210355404
    • Publication date Nov 18, 2021
    • IDEMITSU KOSAN CO.,LTD.
    • Kazushi TAMURA
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...