Hisao Anzai

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Mineral base oil, lubricant composition, internal combustion engine...
- Patent number 11,312,917
- Issue date Apr 26, 2022
- Idemitsu Kosan Co., Ltd.
- Moritsugu Kasai
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Mineral base oil and lubricating oil composition
- Patent number 10,647,937
- Issue date May 12, 2020
- Idemitsu Kosan Co., Ltd.
- Norihiro Kuroda
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process oil, process for producing the same and rubber composition
- Patent number 6,605,695
- Issue date Aug 12, 2003
- Idemitsu Kosan Co., Ltd.
- Masami Takasaki
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process oil, process for producing the same and rubber composition
- Patent number 6,399,697
- Issue date Jun 4, 2002
- Idemitsu Kosan Co., Ltd.
- Masami Takasaki
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents

Information Patent Application
MINERAL BASE OIL AND LUBRICATING OIL COMPOSITION
- Publication number 20190024004
- Publication date Jan 24, 2019
- IDEMITSU KOSAN CO., LTD.
- Norihiro KURODA
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
MINERAL BASE OIL, LUBRICANT COMPOSITION, INTERNAL COMBUSTION ENGINE...
- Publication number 20190002794
- Publication date Jan 3, 2019
- IDEMITSU KOSAN CO., LTD.
- Moritsugu KASAI
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
Process oil, process for producing the same and rubber composition
- Publication number 20020188054
- Publication date Dec 12, 2002
- Idemitsu Kosan Co., Ltd.
- Masami Takasaki
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...