TOYOTA JIDOSHA KABUSHIKI KAISHA
38,664Patents
27,774Active
38,664Granted
60Portfolio score
Filing activity: Feb 7, 1972 → Mar 25, 2025 · 6,521 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7199537B2 | Voltage converter control apparatus, and method | Emerging Cross-Sectional Technologies | 1,417 | Expired |
| US8555660B2 | Operation unit for vehicle air conditioner and vehicle air-conditioning control apparatus using the same | Physics | 996 | Active |
| USD600595S1 | Motor vehicle and toy replica thereof | General | 909 | Expired |
| US6134962A | Angular velocity detecting apparatus of a vibration type | Physics | 786 | Expired |
| US5660454A | Apparatus and method for controlling light distribution of headlamp | Performing Operations; Transporting | 542 | Expired |
| US7661299B2 | Wheel state monitoring system and wheel state detecting apparatus | Performing Operations; Transporting | 455 | Active |
| US6349203B1 | Moving body terminal device, information providing device, information providing system, information providing method, and medium having recorded program for the moving body terminal device | Electricity | 447 | Expired |
| US5896085A | Apparatus for controlling light distributions of head lamps | Performing Operations; Transporting | 420 | Expired |
| US5764139A | Information display apparatus for vehicles | Performing Operations; Transporting | 379 | Expired |
| US6185492A | Vehicle steering control apparatus for assisting a steering effort to move a vehicle along a line desired by a driver | Performing Operations; Transporting | 262 | Expired |
| US6154152A | Road data maintenance system and on-vehicle terminal apparatus compatible therewith | Physics | 249 | Expired |
| USD574524S1 | Rear combination lamp for an automobile | General | 249 | Expired |
| US5856709A | Hybrid vehicle drive system having clutch between engine and synthesizing/distributing mechanism which is operatively connected to motor/generator | Emerging Cross-Sectional Technologies | 237 | Expired |
| US5722502A | Hybrid vehicle and its control method | Emerging Cross-Sectional Technologies | 231 | Expired |
| US7248283B2 | Vehicle periphery monitor | Performing Operations; Transporting | 228 | Expired |
| US5568390A | Navigation system to be mounted on vehicles | Physics | 227 | Expired |
| US6427115B1 | Portable terminal and on-vehicle information processing device | Physics | 225 | Expired |
| US6178377A | Positional information providing system and apparatus | Physics | 220 | Expired |
| US6053841A | Toroidal drive system for electric vehicles | Mechanical Engineering; Lighting; Heating | 220 | Expired |
| US7101305B2 | Planetary-gear-type multiple-step transmission for vehicle | Mechanical Engineering; Lighting; Heating | 215 | Expired |
| US5974791A | Exhaust gas purification device for an internal combustion engine | Emerging Cross-Sectional Technologies | 199 | Expired |
| US5473887A | Exhaust purification device of internal combustion engine | Emerging Cross-Sectional Technologies | 198 | Expired |
| US6009403A | Travel plan preparing device | Physics | 194 | Expired |
| US6012659A | Method for discriminating between used and unused gas generators for air bags during car scrapping process | Emerging Cross-Sectional Technologies | 192 | Expired |
| US8130120B2 | Parking assistance device | Physics | 192 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.