Toyota Kidosha Kogyo Kabushiki Kaisha
36Patents
0Active
36Granted
37Portfolio score
Filing activity: Feb 25, 1974 → Jun 26, 1985
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3937105A | Automatic transmission system for use with automobiles | Emerging Cross-Sectional Technologies | 50 | Expired |
| US4325574A | Shock absorbing bumper of a vehicle | Performing Operations; Transporting | 49 | Expired |
| US3946212A | Automatic quality control system | Emerging Cross-Sectional Technologies | 40 | Expired |
| US4465050A | Device for atomizing the fuel for an internal-combustion engine | Emerging Cross-Sectional Technologies | 39 | Expired |
| US4351203A | Gear box breather plug assembly | Emerging Cross-Sectional Technologies | 32 | Expired |
| US4407491A | Rubber bearing device having air damping capacity | Mechanical Engineering; Lighting; Heating | 26 | Expired |
| US4177778A | Carburetors with heating device | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4393966A | Operation control apparatus of a compressor | Mechanical Engineering; Lighting; Heating | 24 | Expired |
| US4370898A | Adjustable fastening device | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4363885A | Propylene polymer composition useful for bumpers | Chemistry; Metallurgy | 22 | Expired |
| US4453725A | Road vehicle level controller | Performing Operations; Transporting | 22 | Expired |
| US4480597A | Two-stroke cycle gasoline engine | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US4255986A | Device for absorbing impact energy | Performing Operations; Transporting | 17 | Expired |
| US4178893A | Ignition control apparatus for an internal combustion engine | Emerging Cross-Sectional Technologies | 15 | Expired |
| US3996565A | Programmable sequence controller | Physics | 14 | Expired |
| US4213635A | Two-stage air bag system | Performing Operations; Transporting | 14 | Expired |
| US4217794A | Lubricating device for final drive gearing of power transmission unit | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4319497A | Device for turning over a clutch pedal | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4383799A | Ring and groove contraction for assembling a turbocharger | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4231220A | Secondary air control system for an internal combustion engine | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4185463A | Exhaust double pipe of an internal combustion engine | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US4257623A | Supporting structure for a suspension member for a vehicle | Performing Operations; Transporting | 8 | Expired |
| US4505318A | Vertical type pressure casting method | Performing Operations; Transporting | 7 | Expired |
| US4488404A | Hydraulic fluid reservoir for automobile | Performing Operations; Transporting | 6 | Expired |
| US4601321A | Vertical die casting device | Performing Operations; Transporting | 6 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.