Masayoshi Muraki

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Lubricant compositions for refrigerating machine employing HFC-32,...
- Patent number 6,221,274
- Issue date Apr 24, 2001
- Mitsubishi Denki Kabushiki Kaisha
- Yasushi Akahori
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Refrigerating machine oil composition for use with HCFC and HFC ref...
- Patent number 5,728,655
- Issue date Mar 17, 1998
- Mitsubishi Oil Company, Limited
- Masayoshi Muraki
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Refrigerating machine oil composition for use with HFC refrigerant
- Patent number 5,653,909
- Issue date Aug 5, 1997
- Mitsubishi Denki Kabushiki Kaisha
- Masayoshi Muraki
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Lubricating oil for traction drives
- Patent number 5,043,497
- Issue date Aug 27, 1991
- Mitsubishi Oil Co., Ltd.
- Masayoshi Muraki
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Composition suitable for mechanical power transmission and process...
- Patent number 4,371,726
- Issue date Feb 1, 1983
- Nippon Steel Chemical Co., Ltd.
- Yoshiharu Horita
- C07 - ORGANIC CHEMISTRY