Kazumitsu Fujihara

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Saitama-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Rubber process oil and production process thereof
- Patent number 6,878,263
- Issue date Apr 12, 2005
- Japan Energy Corporation
- Takashi Kaimai
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Rubber process oil and production process thereof
- Patent number 6,248,929
- Issue date Jun 19, 2001
- Japan Energy Corporation
- Takashi Kaimai
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Rubber process oil and production process thereof
- Publication number 20010023307
- Publication date Sep 20, 2001
- Japan Energy Corporation
- Takashi Kaimai
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL