Kaoru Sotoyama
16Patents
13h-index
18Co-inventors
71Inventor score
Filing activity: Aug 26, 1977 → Apr 14, 1992
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5117934A | Slip control system for vehicle and rough road detecting system | Performing Operations; Transporting | 55 | Expired |
| US5083631A | Slip control apparatus for a four wheel drive vehicle | Performing Operations; Transporting | 35 | Expired |
| US4898138A | Engine control apparatus | Mechanical Engineering; Lighting; Heating | 34 | Expired |
| US4913006A | Automatic transmission control system for a vehicle having constant-speed cruising control system | Mechanical Engineering; Lighting; Heating | 30 | Expired |
| US4933859A | Constant-speed cruising control system | Mechanical Engineering; Lighting; Heating | 30 | Expired |
| US5090510A | Drive control system of four-wheel drive vehicle | Performing Operations; Transporting | 25 | Expired |
| US4618041A | Lock-up control system for a torque converter for an automatic transmission | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US5038880A | Automatic speed control system for vehicle | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US5148884A | Slip control system for automotive vehicle | Performing Operations; Transporting | 19 | Expired |
| US5197566A | Differential control system for four-wheel drive vehicle | Performing Operations; Transporting | 17 | Expired |
| US5178231A | Differential control system for four-wheel drive vehicle | Performing Operations; Transporting | 15 | Expired |
| US4687083A | Lock up control of a hydraulic torque converter type automatic transmission | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US4662247A | Control means for vehicle automatic transmissions | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US4753135A | Control means for vehicle automatic transmissions | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US5263548A | Vehicle slip control system | Performing Operations; Transporting | 10 | Expired |
| US4125399A | Apex seals for rotary piston engines | Chemistry; Metallurgy | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.