Yuji Ikedo
49Patents
12h-index
48Co-inventors
81Inventor score
Filing activity: Mar 14, 1978 → Dec 26, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4507768A | Automatic disc loading and unloading system for recording-disc playback apparatus | Physics | 27 | Expired |
| US4794580A | Pickup system in optical information recording and reproducing apparatus with damped lead wires | Physics | 26 | Expired |
| US4969138A | Multi-disk player system | Physics | 21 | Expired |
| US5226032A | Disk player having a plurality of movable disk holding trays | Physics | 19 | Expired |
| US4730291A | Multi-disk player system | Physics | 19 | Expired |
| US4947481A | Information reader for disk player | Physics | 17 | Expired |
| US5195078A | Recording medium conveying device including a pair of circular coaxial gears | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4631716A | Operation changeover mechanism | Physics | 14 | Expired |
| US4809252A | Multi-disk player system | Physics | 13 | Expired |
| US5084854A | Optical disk reproducing apparatus | Physics | 13 | Expired |
| US5159585A | Multi-disk player system incorporating disk search and disk selection functions | Physics | 13 | Expired |
| US5504729A | Multi-tray disk player with selective tray latching | Physics | 13 | Expired |
| US4788677A | Disk support mechanism in a player | Physics | 12 | Expired |
| US4788673A | Multi-disk player system | Physics | 12 | Expired |
| US5245602A | Front loading disk player | Physics | 11 | Expired |
| US4347596A | Disc player apparatus | Physics | 10 | Expired |
| US4926406A | Disk player | Physics | 10 | Expired |
| US4811324A | Double-sided disk player | Physics | 10 | Expired |
| US6680882B2 | System for reproducing a disc | Physics | 9 | Expired |
| US6296217A | Movable body supporting mechanism | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4641298A | Auto loading disc player | Physics | 8 | Expired |
| US6356525B1 | Skew adjusting apparatus for an optical disc player | Physics | 8 | Expired |
| US5226025A | Magazine disk player having an improved magazine detecting feature | Physics | 8 | Expired |
| US4340952A | Automatic disc loading mechanism | Physics | 7 | Expired |
| US4442467A | Drive mechanism for cassette tape recording/reproducing apparatus | Physics | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.