Hideki Osawa
7Patents
2h-index
15Co-inventors
48Inventor score
Filing activity: Jan 4, 1988 → Aug 22, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5157645A | Optical disk unit | Physics | 13 | Expired |
| US4897741A | Signal recording apparatus | Physics | 8 | Expired |
| US7164639B2 | Tilt control for optical disc recording and playback apparatus | Physics | 2 | Expired |
| US7512042B2 | Method of controlling focus of optical disk recording and reproducing device | Physics | 1 | Active |
| US11950899B2 | Monitoring system | Electricity | 0 | Active |
| US9479851B2 | Vehicle sound generation apparatus, and vehicle sound generation method | Physics | 0 | Active |
| US9327644B2 | Sound generating device for vehicle, and sound generating method for vehicle | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.