Yuugo Mukai

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Patents Grantslast 30 patents

Information Patent Grant
Displacement type fluid machine
- Patent number 6,637,550
- Issue date Oct 28, 2003
- Hitachi, Ltd.
- Masaki Koyama
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Scroll type fluid machine having different wrap side surface cleara...
- Patent number 6,345,967
- Issue date Feb 12, 2002
- Hitachi, Ltd., Trustee for Benefit of Air Conditiong Systems Co., Ltd.
- Yuugo Mukai
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
Displacement type fluid machine
- Publication number 20020033305
- Publication date Mar 21, 2002
- Masaki Koyama
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...