Yasushi Okada
88Patents
20h-index
108Co-inventors
91Inventor score
Filing activity: Dec 15, 1975 → Dec 3, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5654715A | Vehicle-surroundings monitoring apparatus | Physics | 138 | Expired |
| US6026425A | Non-uniform system load balance method and apparatus for updating threshold of tasks according to estimated load fluctuation | Physics | 63 | Expired |
| US5812070A | Shared vehicle rental system | Physics | 60 | Expired |
| US6266576A | Legged moving robot | Emerging Cross-Sectional Technologies | 45 | Expired |
| US5960898A | Power supply unit and electric vehicle incorporating the same | Emerging Cross-Sectional Technologies | 44 | Expired |
| US4660161A | Correction method for vehicle-mounted geomagnetic field sensors | Physics | 40 | Expired |
| US6682093B2 | Air bag device | Performing Operations; Transporting | 35 | Expired |
| US4722779A | Air/fuel ratio sensor | Physics | 29 | Expired |
| US5686921A | Radar system | Physics | 29 | Expired |
| US6299202A | Passenger seat air bag system | Performing Operations; Transporting | 27 | Expired |
| US7150470B2 | Airbag device for front passenger's seat | Performing Operations; Transporting | 26 | Expired |
| US6466554B2 | Satellite data distribution method and system using a mobile communication system | Electricity | 26 | Expired |
| US4041691A | Electronic timepiece battery monitoring circuit | Physics | 24 | Expired |
| US6170857A | Airbag system for front passenger's seat | Performing Operations; Transporting | 22 | Expired |
| US6832779B2 | Airbag device for passenger's seats | Performing Operations; Transporting | 22 | Expired |
| US6439606B2 | Three-dimensional air bags for vehicles | Performing Operations; Transporting | 22 | Expired |
| US4724814A | System of abnormality detection for oxygen concentration sensor | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US4819602A | System of abnormality detection for oxygen concentration sensor | Physics | 21 | Expired |
| US4769124A | Oxygen concentration detection device having a pair of oxygen pump units with a simplified construction | Physics | 20 | Expired |
| US4777922A | Method of abnormality detection of oxygen concentration sensor | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US4905652A | Device for measuring a component of a gaseous mixture | Physics | 20 | Expired |
| US5247587A | Peak data extracting device and a rotary motion recurrence formula computing device | Physics | 17 | Expired |
| US4183203A | Electronic timepiece time zone display | Physics | 17 | Expired |
| US4721088A | Method for controlling an oxygen concentration detection apparatus with a heater element | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US5740531A | Digital mobile telephone communication method, communication channel switching method, and mobile station and base station for implementing same methods | Electricity | 17 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.