Kohei Nonaka
14Patents
2h-index
22Co-inventors
54Inventor score
Filing activity: Nov 29, 1973 → Oct 18, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3987529A | Valve and method for manufacturing the same | Emerging Cross-Sectional Technologies | 26 | Expired |
| US4021767A | Hall element and method of manufacturing same | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4335957A | Image forming method and apparatus therefor | Physics | 2 | Expired |
| US3940999A | Shock sensor | Physics | 2 | Expired |
| US4227799A | Image forming apparatus | Physics | 2 | Expired |
| US4287295A | Image forming method and apparatus therefor | Physics | 2 | Expired |
| US11420236B2 | Ultrasonic cleaner and automatic analyzer using the same | Physics | 1 | Active |
| US11148178B2 | Ultrasonic cleaner and automatic analyzer using the same | Physics | 0 | Active |
| US11788971B2 | Test kit, test method, dispensing device | Physics | 0 | Active |
| US11260430B2 | Ultrasonic cleaner and automatic analyzer using the same | Performing Operations; Transporting | 0 | Active |
| US11819890B2 | Nozzle cleaner and automatic analyzer using the same | Physics | 0 | Active |
| US12235282B2 | Automatic analyzer | Physics | 0 | Active |
| US11237182B2 | Automatic analyzer | Physics | 0 | Active |
| US12332260B2 | Automatic analyzer | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.