Hirofumi Takeuchi
39Patents
14h-index
67Co-inventors
84Inventor score
Filing activity: Nov 25, 1986 → Apr 29, 2022
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 |
| US5469586A | Toilet bowl flushing device | Fixed Constructions | 46 | Expired |
| US4768705A | Cold/hot water discharging apparatus | Emerging Cross-Sectional Technologies | 45 | Expired |
| US5052060A | Flush water supply system for toilet stool | Emerging Cross-Sectional Technologies | 44 | Expired |
| US5806761A | Combination faucet device | Physics | 23 | Expired |
| US5204999A | Flush water supply system for toilet stool | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5155870A | Water closet flushing apparatus | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4726966A | Preparation of coated granular ibuprofen microsphere | Human Necessities | 15 | Expired |
| US4739923A | Hot/cold water mixing device | Physics | 13 | Expired |
| US5109550A | Flush water supply system for toilet stool | Fixed Constructions | 11 | Expired |
| US4761836A | Washing device for parts of human body | Physics | 9 | Expired |
| US5087455A | Hollow granular medicine and its preparation | Human Necessities | 8 | Expired |
| US9114070B2 | Liposome for delivery to posterior segment of eye and pharmaceutical composition for disease in posterior segment of eye | Human Necessities | 7 | Active |
| US5259073A | Water closet flushing apparatus | Fixed Constructions | 6 | Expired |
| US5738275A | Combination faucet device | Physics | 5 | Expired |
| US9315828B2 | Prompt nucleic acid delivery carrier composition | Chemistry; Metallurgy | 2 | Active |
| US9252096B2 | Wiring substrate and method of manufacturing the same | Electricity | 2 | Active |
| US5057323A | Hollow granular medicine and its preparation | Human Necessities | 2 | Expired |
| US8101207B2 | Composition containing medicine extremely slightly soluble in water and method for preparation thereof | Human Necessities | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.