Toshihiko Aoki
43Patents
10h-index
60Co-inventors
78Inventor score
Filing activity: Jun 15, 1988 → Aug 11, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6558287B2 | Automatic transmission for a vehicle | Mechanical Engineering; Lighting; Heating | 404 | Expired |
| US4834573A | Cap fitting structure for shaft member | Emerging Cross-Sectional Technologies | 124 | Expired |
| US6723018B2 | Automatic transmission | Mechanical Engineering; Lighting; Heating | 65 | Expired |
| US4994814A | Phase shift data transfer system for phased array antenna apparatuses | Electricity | 18 | Expired |
| US5257030A | Antenna system | Electricity | 18 | Expired |
| US6791699B2 | Optical displacement-measuring apparatus | Physics | 15 | Expired |
| US5707102A | Automotive sun roof device | Performing Operations; Transporting | 14 | Expired |
| US6838688B2 | Light spot position sensor and displacement measuring device | Physics | 12 | Expired |
| US7294087B2 | Automatic transmission | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US8821332B2 | Power transmission device | Mechanical Engineering; Lighting; Heating | 10 | Active |
| US5038148A | Control data transfer system for phase shifters in antenna | Electricity | 9 | Expired |
| US7914409B2 | Oil-free chain | Mechanical Engineering; Lighting; Heating | 7 | Active |
| US7232022B2 | Clutch-purpose hydraulic servo | Mechanical Engineering; Lighting; Heating | 6 | Active |
| US6621068B2 | Optical encoder and method of fabricating its sensor head | Physics | 4 | Expired |
| US7559867B2 | Connection structure for automatic transmission | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US7775925B2 | Oil-free chain | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US7462126B2 | Vehicular automatic transmission | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US6794638B2 | Photoelectric encoder having improved light-emitting and photoreceptive sections | Physics | 3 | Expired |
| US6050632A | Sliding shoe for sun roof device | Performing Operations; Transporting | 3 | Expired |
| US7081746B2 | Inductive displacement detector and micrometer | Physics | 2 | Expired |
| US7628726B2 | Automatic transmission for vehicle | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US7967716B2 | Automatic transmission for a vehicle | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US8839929B2 | Hydraulic clutch and transmission device provided with the same | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US6512222B2 | Displacement measuring apparatus | Physics | 2 | Expired |
| US7621514B2 | Clamping apparatus | Performing Operations; Transporting | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.