EQUOS RESEARCH CO., LTD.
58Patents
44Active
58Granted
53Portfolio score
Filing activity: Mar 17, 1993 → Jul 31, 2018 · 18 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5412293A | Power supply for motor usable with an electric vehicle | Emerging Cross-Sectional Technologies | 87 | Expired |
| US5389824A | Power supply cut off apparatus | Emerging Cross-Sectional Technologies | 60 | Expired |
| US5751228A | Guide system | Physics | 44 | Expired |
| US6098005A | Vehicle transmission controller for changing gear ratios in accordance with road features | Mechanical Engineering; Lighting; Heating | 43 | Expired |
| US5460896A | Fuel cell | Emerging Cross-Sectional Technologies | 41 | Expired |
| US8140241B2 | Driving action estimating device, driving support device, vehicle evaluating system, driver model creating device, and driving action determining device | Physics | 40 | Active |
| US6223118A | Vehicle deceleration control unit | Physics | 39 | Expired |
| US5899286A | Hybrid vehicle | Emerging Cross-Sectional Technologies | 35 | Expired |
| USRE36678E | Hybrid vehicle | General | 31 | Expired |
| US5760713A | Navigation system of a vehicle | Physics | 29 | Expired |
| US9270138B2 | Electric power transmission system | Emerging Cross-Sectional Technologies | 21 | Active |
| US8016060B2 | Vehicle | Emerging Cross-Sectional Technologies | 19 | Active |
| US6155099A | Apparatus for measuring quantity of hydrogen | Emerging Cross-Sectional Technologies | 19 | Expired |
| US7084591B2 | Electric drive control device, electric drive control method, and program of same | Electricity | 15 | Expired |
| US9318258B2 | Antenna coil comprising plurality of coil portions | Emerging Cross-Sectional Technologies | 13 | Active |
| US8424880B2 | Camber angle changing mechanism | Performing Operations; Transporting | 12 | Active |
| US9037347B2 | Vehicle | Performing Operations; Transporting | 10 | Active |
| US8997911B2 | Vehicle | Performing Operations; Transporting | 6 | Active |
| US8170792B2 | Vehicle control device | Emerging Cross-Sectional Technologies | 6 | Active |
| US8558758B2 | Information display apparatus | Physics | 5 | Active |
| US8831833B2 | Vehicle | Performing Operations; Transporting | 5 | Active |
| US7991532B2 | Wheel control device and control device | Performing Operations; Transporting | 5 | Active |
| US9866068B2 | Electric power transmission system with power transmission and receiving antennas | Emerging Cross-Sectional Technologies | 5 | Active |
| US6896985B2 | Fuel cell system | Emerging Cross-Sectional Technologies | 4 | Expired |
| US8374774B2 | Vehicle | Emerging Cross-Sectional Technologies | 3 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.