Masaaki Toda

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Fuji, JP

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Patents Grantslast 30 patents

Information Patent Grant
Oil injected screw compressor
- Patent number 6,991,443
- Issue date Jan 31, 2006
- Hitachi Industrial Equipment Systems Co., Ltd.
- Masakazu Aoki
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
Oil injected screw compressor
- Publication number 20040184941
- Publication date Sep 23, 2004
- Masakazu Aoki
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES