Akira IIJIMA

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Arakawa-ku, JP

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Patents Grantslast 30 patents

Information Patent Grant
Lubricating oil composition for engine equipped with supercharging...
- Patent number 10,865,360
- Issue date Dec 15, 2020
- Idemitsu Kosan Co., Ltd.
- Toshimasa Utaka
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents

Information Patent Application
LUBRICATING OIL COMPOSITION FOR ENGINE EQUIPPED WITH SUPERCHARGING...
- Publication number 20190100713
- Publication date Apr 4, 2019
- IDEMITSU KOSAN CO., LTD.
- Toshimasa UTAKA
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
LUBRICANT OIL COMPOSITION FOR SPARK IGNITION TYPE INTERNAL COMBUSTI...
- Publication number 20180072961
- Publication date Mar 15, 2018
- Idemitsu Kosan Co., Ltd.
- Toshimasa UTAKA
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
LUBRICATING OIL COMPOSITION FOR SPARK-IGNITION INTERNAL COMBUSTION...
- Publication number 20160304802
- Publication date Oct 20, 2016
- Idemitsu Kosan Co., Ltd.
- Kazushi TAMURA
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...