San-Petrochemicals Co., Ltd.

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Patents Grantslast 30 patents

Information Patent Grant
Cooling medium for optical equipment and cooling device using the same
- Patent number 6,506,317
- Issue date Jan 14, 2003
- Nippon Petrochemicals Company, Limited
- Hiroyuki Hoshino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Traction drive fluid
- Patent number 6,191,330
- Issue date Feb 20, 2001
- Nippon Mitsubishi Oil Corporation
- Mitsuo Matsuno
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process for producing alkylidenenorbornenes
- Patent number 4,891,460
- Issue date Jan 2, 1990
- San-Petrochemicals Co., Ltd.
- Yasutaka Ishii
- C07 - ORGANIC CHEMISTRY

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