Haruyasu Sakata
11Patents
6h-index
19Co-inventors
59Inventor score
Filing activity: Sep 6, 1988 → Jan 14, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5331614A | Controlling playing operations of a plurality of magazine type disc players each having exclusive access to disc loaded therein | Physics | 40 | Expired |
| US4926405A | High-speed search method for use in a disc player system | Physics | 22 | Expired |
| US5056074A | Tracking servo system with a variable equalizing characteristic | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5065383A | Tracking servo system adapted to operate with variable track pitch | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6922383B2 | Recording apparatus with light power control for use with optical recording medium and method thereof | Physics | 10 | Expired |
| US5148425A | Overshoot minimizing tracking servo apparatus | Physics | 6 | Expired |
| US5497243A | Video disk recorder having a real-time editing function | Physics | 5 | Expired |
| US5025434A | Tracking servo apparatus of disk player | Physics | 5 | Expired |
| US7230899B2 | Rewritable type optical disc including recording marks over break portions of recording tracks, manufacturing method and manufacturing system therefor | Physics | 1 | Expired |
| US6891783B2 | Information recording/reproducing apparatus including a recording controller which operates based on prepit detection | Physics | 0 | Expired |
| US6870800B2 | Method of searching for a boundary position between a recorded region and an unrecorded region of a recording disc, and information recording apparatus | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.