Kobun Yoshida
16Patents
8h-index
5Co-inventors
61Inventor score
Filing activity: Oct 26, 1978 → Sep 8, 1992
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5140478A | Magnetic disk drive comprising magnetic disk cartridge and driving device which drives the disk cartridge and prevents external vibration from being transmitted to the disk cartridge | Physics | 39 | Expired |
| US5148339A | Magnetic disk storage | Physics | 32 | Expired |
| US5113297A | Magnetic disk drive having a mechanism for preventing a disk cartridge from being inserted therein with wrong orientation and for fixing the disk cartridge inserted therein with correct orientation | Physics | 26 | Expired |
| US5204794A | Magnetic disk drive comprising disk cartridge and driving device, which disk cartridge includes connector for connecting the disk cartridge to the driving device and connector cover for covering the connector | Physics | 25 | Expired |
| US5237473A | Magnetic disk drive comprising a disk cartridge and a driving device which magnetic disk drive has an eject mechanism for softly ejecting the disk cartridge from the driving device | Physics | 11 | Expired |
| US5315467A | Head actuator pivoting around stationary shaft and dish having such head actuator | Physics | 10 | Expired |
| US4219852A | Improved cassette recorder having simplified operation | Physics | 10 | Expired |
| US4227223A | Auto-repeat mechanism for cassette tape recorder | Physics | 9 | Expired |
| US4228472A | Interval detection and drive mechanism for cassette tape recorder | Physics | 6 | Expired |
| US4599665A | Locking device for recorder operation modes | Physics | 2 | Expired |
| USD343389S | Disk drive | General | 2 | Expired |
| US4520412A | Autostop mechanism for tape recorder | Physics | 2 | Expired |
| US4949204A | Tape recorder for playing endless magnetic tape | Physics | 1 | Expired |
| US4910618A | Guide structure for guiding endless magnetic tape in a rotary head transport | Physics | 1 | Expired |
| US4434443A | Tape recorder | Physics | 0 | Expired |
| US4513336A | Cassette tape recorder | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.