Tsukasa Watanabe
52Patents
13h-index
74Co-inventors
87Inventor score
Filing activity: Apr 21, 1977 → Jun 23, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5162995A | Hydraulic active suspension system for a vehicle performing vehicle height feedback control | Performing Operations; Transporting | 45 | Expired |
| US4816885A | Thin-film transistor matrix for liquid crystal display | Electricity | 35 | Expired |
| US5103397A | Hydraulic active suspension system for a vehicle for controlling the attitude of vehicle body responding to lateral acceleration | Performing Operations; Transporting | 32 | Expired |
| US5595089A | Actuator for steering rear wheels | Emerging Cross-Sectional Technologies | 31 | Expired |
| US4859617A | Thin-film transistor fabrication process | Emerging Cross-Sectional Technologies | 29 | Expired |
| US4250924A | Electromagnetic control valve assembly | Emerging Cross-Sectional Technologies | 26 | Expired |
| US4368653A | Hydromechanical transmission | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US5031663A | Pressure control valve device | Emerging Cross-Sectional Technologies | 20 | Expired |
| US5130926A | Pressure control system for suspension | Performing Operations; Transporting | 20 | Expired |
| US6275287A | Check detector for glass bottle neck and finish portion | Physics | 19 | Expired |
| US4547067A | Apparatus for detecting faults in transparent objects | Physics | 19 | Expired |
| US4754855A | Apparatus for driving rotary valve of shock absorber | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4131035A | Hydromechanical transmission | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US4811069A | Photoelectric conversion device | Electricity | 13 | Expired |
| US5044215A | Transmission with an ultra low speed range | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5099938A | Rear wheel steering apparatus for vehicles | Performing Operations; Transporting | 8 | Expired |
| US4887166A | Direct-contact-type image sensor | Electricity | 8 | Expired |
| US4397443A | Solenoid valve assembly | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US5249638A | Motor assisted steering apparatus for vehicle | Performing Operations; Transporting | 7 | Expired |
| US9084352B2 | Lid member with waterproofing function | Electricity | 6 | Active |
| US5853598A | Process for treating waste water of flue gas desulfurization | Chemistry; Metallurgy | 6 | Expired |
| US7143518B2 | Angle detector with self-calibration capability | Physics | 5 | Expired |
| US4631198A | Method of manufacturing thin amorphous silicon film | Electricity | 4 | Expired |
| US4218670A | Thermostatic circuit breaker | Electricity | 3 | Expired |
| US4469922A | Pressure responsive switch | Electricity | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.