Tsuyoshi YUKI

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Otsu City, JP

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Patents Grantslast 30 patents

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-...