Akira Tsunoda
22Patents
11h-index
25Co-inventors
75Inventor score
Filing activity: Dec 21, 1984 → Apr 30, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6740938B2 | Transistor provided with first and second gate electrodes with channel region therebetween | Electricity | 70 | Expired |
| US4689535A | Concealed wiper system | Emerging Cross-Sectional Technologies | 45 | Expired |
| US7189997B2 | Semiconductor device and method for manufacturing the same | Electricity | 34 | Expired |
| US5708406A | Rotary actuator | Electricity | 29 | Expired |
| US6562669B2 | Semiconductor device and method of manufacturing the same | Electricity | 28 | Expired |
| US5275141A | Actuator | Electricity | 24 | Expired |
| US6982194B2 | Semiconductor device and method for manufacturing the same | Electricity | 23 | Expired |
| US6884664B2 | Semiconductor device and method of manufacturing the same | Electricity | 17 | Expired |
| US6825071B2 | Semiconductor device and method of manufacturing the same | Electricity | 16 | Expired |
| US6948464B2 | Protection method for an engine having a variable valve timing controller and protection apparatus for the same | Electricity | 11 | Expired |
| US4673853A | Concealed wiper system | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4918360A | Electric-driving device for openable members | Performing Operations; Transporting | 10 | Expired |
| US7183144B2 | Semiconductor device and method of manufacturing the same | Electricity | 4 | Expired |
| US8398533B2 | Paper folding apparatus and postprocessing apparatus using the same | Performing Operations; Transporting | 3 | Active |
| US4607198A | Wiper driving apparatus | Emerging Cross-Sectional Technologies | 3 | Expired |
| US7475662B2 | Actuator for valve lift controller | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US9682841B2 | Sheet folding apparatus and image forming system | Performing Operations; Transporting | 1 | Active |
| US9039313B2 | Image forming device with cutter and door locking mechanism | Emerging Cross-Sectional Technologies | 1 | Active |
| US11782374B2 | Post-processing apparatus and image forming system | Physics | 0 | Active |
| US11511949B2 | Movable object holding system | Performing Operations; Transporting | 0 | Active |
| US9352919B2 | Sheet processing apparatus and image forming system | Performing Operations; Transporting | 0 | Active |
| US10254701B2 | Paper correction apparatus, image forming system and non-transitory computer readable medium on which paper correction program is recorded | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.