Ryosuke Dohi
13Patents
11h-index
24Co-inventors
72Inventor score
Filing activity: Jul 18, 1985 → Mar 13, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5816285A | Pressure type flow rate control apparatus | Emerging Cross-Sectional Technologies | 91 | Expired |
| US5669408A | Pressure type flow rate control apparatus | Emerging Cross-Sectional Technologies | 77 | Expired |
| US5791369A | Pressure type flow rate control apparatus | Emerging Cross-Sectional Technologies | 53 | Expired |
| US6394415B1 | Fluid control valve and fluid supply/exhaust system | Emerging Cross-Sectional Technologies | 27 | Expired |
| US5502883A | Method of tightening threaded member | Emerging Cross-Sectional Technologies | 23 | Expired |
| US6193212A | Fluid control valve and fluid supply/exhaust system | Emerging Cross-Sectional Technologies | 20 | Expired |
| US5609077A | Tightening device | Performing Operations; Transporting | 18 | Expired |
| US7059363B2 | Method of supplying divided gas to a chamber from a gas supply apparatus equipped with a flow-rate control system | Emerging Cross-Sectional Technologies | 17 | Expired |
| US6018136A | System for supervising piping work | Performing Operations; Transporting | 17 | Expired |
| US6116092A | Fluid pressure detector using a diaphragm | Physics | 14 | Expired |
| US8162286B2 | Piezoelectric driven control valve | Mechanical Engineering; Lighting; Heating | 12 | Active |
| US5981905A | System for supervising piping work | Performing Operations; Transporting | 8 | Expired |
| US4645176A | Control valve | Mechanical Engineering; Lighting; Heating | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.