Hideo Ryuu

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Nogata-gun, JP

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Patents Grantslast 30 patents

Information Patent Grant
Connector for connecting pipe arrangements having small diameter
- Patent number 5,890,749
- Issue date Apr 6, 1999
- Usui Kokusai Sangyo Kaisha Limited
- Kazumi Fukaya
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Hydraulic fan coupling apparatus
- Patent number 5,881,857
- Issue date Mar 16, 1999
- Usui Kokusai Sangyo Kaisha Ltd.
- Hideo Ryuu
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Temperature-responsive fluid-type fan coupling apparatus
- Patent number 5,794,749
- Issue date Aug 18, 1998
- Usui Kokusai Sangyo Kaisha Limited
- Hideo Ryuu
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...