Tomomasa Osumi

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Yokohama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Refrigerating machine oil
- Patent number 6,692,654
- Issue date Feb 17, 2004
- Nippon Mitsubishi Oil Corporation
- Tomomasa Osumi
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents

Information Patent Application
Refrigerating machine oil
- Publication number 20020123436
- Publication date Sep 5, 2002
- Nippon Mitsubishi Oil Corporation
- Tomomasa Osumi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...