Hideki Kawaguchi

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Fukuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for designing a multiblade radial fan and a multiblade radia...
- Patent number 6,050,772
- Issue date Apr 18, 2000
- Toto Ltd.
- Makoto Hatakeyama
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Multiple-purpose instantaneous gas water heater
- Patent number 4,922,861
- Issue date May 8, 1990
- Toto Ltd.
- Osamu Tsutsui
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Multiple-purpose instantaneous gas water heater
- Patent number 4,819,587
- Issue date Apr 11, 1989
- Toto Ltd.
- Osamu Tsutsui
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES