TREA

Tsuyoshi YUKI

Follow

Person

  • Otsu City, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Viscosity index improvers
    • Patent number 12,234,354
    • Issue date Feb 25, 2025
    • Evonik Operations GmbH
    • Tsuyoshi Yuki
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Viscosity index improver and lubricant compositions thereof
    • Patent number 11,795,413
    • Issue date Oct 24, 2023
    • Evonik Operations GmbH
    • Tsuyoshi Yuki
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Lubricant additive composition
    • Patent number 11,639,481
    • Issue date May 2, 2023
    • Evonik Operations GmbH
    • Tsuyoshi Yuki
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Lubricating oil composition comprising dispersant comb polymers
    • Patent number 10,941,368
    • Issue date Mar 9, 2021
    • Evonik Operations GmbH
    • Tsuyoshi Yuki
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

  • Information Patent Application

    Lubricant additive composition
    • Publication number 20230025387
    • Publication date Jan 26, 2023
    • Evonik Operations GmbH
    • Tsuyoshi YUKI
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    VISCOSITY INDEX IMPROVER AND LUBRICANT COMPOSITIONS THEREOF
    • Publication number 20220306962
    • Publication date Sep 29, 2022
    • Evonik Operations GmbH
    • Tsuyoshi Yuki
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    Novel Viscosity Index Improvers
    • Publication number 20200291218
    • Publication date Sep 17, 2020
    • Evonik Operations GmbH
    • Tsuyoshi YUKI
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    LUBRICATING OIL COMPOSITION COMPRISING DISPERSANT COMB POLYMERS
    • Publication number 20190367836
    • Publication date Dec 5, 2019
    • Evonik Oil Additives GmbH
    • Tsuyoshi YUKI
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...