Osamu Tsutsui
21Patents
17h-index
33Co-inventors
77Inventor score
Filing activity: Jun 27, 1983 → May 3, 1994
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4955535A | Automatically operating valve for regulating water flow and faucet provided with said valve | Emerging Cross-Sectional Technologies | 106 | Expired |
| US4971106A | Automatically operating valve for regulating water flow and faucet provided with said valve | Emerging Cross-Sectional Technologies | 99 | Expired |
| US4967794A | Automatically operating valve for regulating water flow and faucet provided with said valve | Emerging Cross-Sectional Technologies | 76 | Expired |
| US5315719A | Water closet flushing apparatus | Emerging Cross-Sectional Technologies | 71 | Expired |
| US4989277A | Toilet bowl flushing device | Emerging Cross-Sectional Technologies | 60 | Expired |
| US5085399A | Automatically operating valve for regulating water flow and faucet provided with said valve | Emerging Cross-Sectional Technologies | 55 | Expired |
| US5133089A | Water closet flushing apparatus | Fixed Constructions | 50 | Expired |
| US5400961A | Electromechanical thermostatic mixing valve | Physics | 49 | Expired |
| US4819587A | Multiple-purpose instantaneous gas water heater | Mechanical Engineering; Lighting; Heating | 46 | Expired |
| US5469586A | Toilet bowl flushing device | Fixed Constructions | 46 | Expired |
| US4768705A | Cold/hot water discharging apparatus | Emerging Cross-Sectional Technologies | 45 | Expired |
| US5502845A | Siphon-jet flush water supply system for toilet stool | Fixed Constructions | 44 | Expired |
| US4653538A | Hot and cold water mixing faucet | Emerging Cross-Sectional Technologies | 30 | Expired |
| US4922861A | Multiple-purpose instantaneous gas water heater | Mechanical Engineering; Lighting; Heating | 28 | Expired |
| US4501261A | Instantaneous gas water heater | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5063622A | Water supply control system | Electricity | 21 | Expired |
| US5155870A | Water closet flushing apparatus | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4739923A | Hot/cold water mixing device | Physics | 13 | Expired |
| US4980933A | Washing device for parts of human body | Physics | 12 | Expired |
| US4761836A | Washing device for parts of human body | Physics | 9 | Expired |
| US5259073A | Water closet flushing apparatus | Fixed Constructions | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.