Keiji Hayashi

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Fukuoka, JP

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Patents Grantslast 30 patents

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
Information Patent Grant
Cold/hot water discharging apparatus
- Patent number 4,768,705
- Issue date Sep 6, 1988
- Toto Ltd.
- Osamu Tsutsui
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Washing device for parts of human body
- Patent number 4,761,836
- Issue date Aug 9, 1988
- Toto Ltd.
- Osamu Tsutsui
- G05 - CONTROLLING REGULATING
Information Patent Grant
Hot/cold water mixing device
- Patent number 4,739,923
- Issue date Apr 26, 1988
- Toto Ltd.
- Osamu Tsutsui
- G05 - CONTROLLING REGULATING