Makoto Ninomiya
29Patents
5h-index
31Co-inventors
69Inventor score
Filing activity: Dec 13, 1989 → Jun 15, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5230519A | Hydraulically operated power transmission apparatus | Performing Operations; Transporting | 21 | Expired |
| US7562675B2 | Valve device | Emerging Cross-Sectional Technologies | 14 | Expired |
| US7503543B2 | Guide body, manufacturing method thereof, and electromagnetic valve device | Emerging Cross-Sectional Technologies | 9 | Active |
| US10161360B2 | Valve device | Emerging Cross-Sectional Technologies | 6 | Active |
| US7704283B2 | Prosthetic leg | Human Necessities | 6 | Active |
| US9347580B2 | Valve device | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US8413951B2 | Valve device | Emerging Cross-Sectional Technologies | 4 | Active |
| US7814925B2 | Relief valve device | Emerging Cross-Sectional Technologies | 4 | Expired |
| US8245730B2 | Solenoid valve device | Emerging Cross-Sectional Technologies | 4 | Expired |
| US7712482B2 | Pressure-reducing valve | Emerging Cross-Sectional Technologies | 3 | Active |
| US8752807B2 | Seat block and valve device | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US9234485B2 | Fuel gas supply system of gas engine | Emerging Cross-Sectional Technologies | 2 | Active |
| US9702473B2 | Fusible plug type pressure relief valve | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US11754197B2 | Gas solenoid valve | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US8960221B2 | Gas pressure regulating valve | Emerging Cross-Sectional Technologies | 2 | Active |
| US8567792B2 | Gas seal structure | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US9194354B2 | Fuel gas supplying and filling system | Emerging Cross-Sectional Technologies | 1 | Active |
| US9404621B2 | Fuel tank valve | Emerging Cross-Sectional Technologies | 1 | Active |
| US9976653B2 | Sliding seal and seal structure | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US11821539B2 | Gas solenoid valve | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US9831507B2 | Hydrogen gas supply device of fuel cell system | Emerging Cross-Sectional Technologies | 1 | Active |
| US7811039B2 | Screw loosening prevention structure and gas pressure device including same | Emerging Cross-Sectional Technologies | 1 | Active |
| US10955062B2 | Glass ball safety valve | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US9141115B2 | Pressure reducing valve | Emerging Cross-Sectional Technologies | 0 | Active |
| US12253217B2 | Casing for gas, and tank valve device | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.