Hiroki YAMASHITA

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Kyoto, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electron or hydride ion intake/release material, electron or hydrid...
- Patent number 11,795,062
- Issue date Oct 24, 2023
- Japan Science and Technology Agency
- Yoji Kobayashi
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Viscosity index-improving composition and lubricating oil composition
- Patent number 11,753,600
- Issue date Sep 12, 2023
- Sanyo Chemical Industries, Ltd.
- Ryota Sato
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Viscosity index improver and lubricating oil composition
- Patent number 9,683,195
- Issue date Jun 20, 2017
- Sanyo Chemical Industries, Ltd.
- Shigekuni Nakada
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents

Information Patent Application
VISCOSITY INDEX IMPROVER AND LUBRICATING OIL COMPOSITION
- Publication number 20230323241
- Publication date Oct 12, 2023
- SANYO CHEMICAL INDUSTRIES, LTD.
- Nobuhiro NAITO
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
VISCOSITY INDEX IMPROVING AGENT AND LUBRICATING OIL COMPOSITION
- Publication number 20230312797
- Publication date Oct 5, 2023
- SANYO CHEMICAL INDUSTRIES, LTD.
- Nobuhiro NAITO
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
VISCOSITY INDEX-IMPROVING COMPOSITION AND LUBRICATING OIL COMPOSITION
- Publication number 20220364013
- Publication date Nov 17, 2022
- SANYO CHEMICAL INDUSTRIES, LTD.
- Ryota SATO
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
ELECTRON OR HYDRIDE ION INTAKE/RELEASE MATERIAL, ELECTRON OR HYDRID...
- Publication number 20210002142
- Publication date Jan 7, 2021
- Japan Science and Technology Agency
- Yoji KOBAYASHI
- C01 - INORGANIC CHEMISTRY
Information Patent Application
VISCOSITY INDEX IMPROVER AND LUBRICATING OIL COMPOSITION
- Publication number 20170009177
- Publication date Jan 12, 2017
- SANYO CHEMICAL INDUSTRIES, LTD.
- Shigekuni NAKADA
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...