Yasutoshi Seko
21Patents
14h-index
9Co-inventors
66Inventor score
Filing activity: Aug 14, 1980 → May 2, 1989
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4692798A | Apparatus and process for improving visibility of object within visual field | Performing Operations; Transporting | 462 | Expired |
| US4967319A | Headlight apparatus for automotive vehicle | Performing Operations; Transporting | 439 | Expired |
| US4565997A | Warning device for a vehicle | Physics | 204 | Expired |
| US4555694A | Display device for a vehicle | Physics | 156 | Expired |
| US4985816A | Vehicle headlamp | Mechanical Engineering; Lighting; Heating | 59 | Expired |
| US4564833A | Dozing warning system for a vehicle | Performing Operations; Transporting | 51 | Expired |
| US4594583A | Method and system for detection of driver drowsiness by an abrupt steering change following no steering movement | Performing Operations; Transporting | 46 | Expired |
| US4463347A | Drowsiness alarm system for a vehicle | Performing Operations; Transporting | 33 | Expired |
| US4604611A | System and method for detecting driver drowsiness including detection of steering rotation and reversal | Physics | 33 | Expired |
| US4611199A | Alarm system and method for sensing a stand-by state in a driver drowsiness detection system | Physics | 29 | Expired |
| US4348663A | Safety assurance system for road vehicles | Physics | 28 | Expired |
| US4496938A | Drowsiness alarm system for a vehicle | Performing Operations; Transporting | 23 | Expired |
| US4450438A | Drowsiness alarm system for a vehicle | Performing Operations; Transporting | 20 | Expired |
| US4581607A | System and method for detecting driver drowsiness of a vehicle | Performing Operations; Transporting | 15 | Expired |
| US4586032A | Warning system for dozing at wheel | Physics | 14 | Expired |
| US4518954A | Dozing warning device for a vehicle | Performing Operations; Transporting | 14 | Expired |
| US4509040A | Alarm system for preventing an automotive vehicle driver from dozing at the wheel | Performing Operations; Transporting | 14 | Expired |
| US4502122A | Method and apparatus for measuring vehicle driver's fatigue to give an alarm | Physics | 10 | Expired |
| US4342279A | Device for detecting steering angle and direction | Physics | 8 | Expired |
| US4602247A | Method and system for detecting driver fatigue including differentiation of effects of rest periods | Physics | 5 | Expired |
| US4846555A | System for improving visibility of objects within visual field | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.