Morihiro Karaki
10Patents
7h-index
14Co-inventors
55Inventor score
Filing activity: Jun 16, 1989 → Aug 6, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5130965A | Optical recording/reproducing apparatus using a light spot switching means for centering beams on an information track | Physics | 27 | Expired |
| US4942584A | Semiconductor laser apparatus driving system | Electricity | 14 | Expired |
| US5479386A | Lens actuating system for an optical disk drive having a driven mass for cancelling forces | Physics | 14 | Expired |
| US5532987A | Focus error detecting device | Physics | 10 | Expired |
| US6108283A | Optical head having focus error detection and tracking error detection sensors arranged on substantially the same plane | Physics | 8 | Expired |
| US5453962A | Focus error detecting device | Physics | 7 | Expired |
| US5367512A | Multi-beam optical recording-reproduction device with independent error detection for each beam | Physics | 7 | Expired |
| US5687032A | Optical device inclination angle adjuster | Physics | 6 | Expired |
| US5416756A | Lens actuating system with improved frequency response for optical disk drive | Physics | 6 | Expired |
| US5511048A | Magneto-optical recording and reproducing apparatus | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.