Kazuki Takai
45Patents
10h-index
24Co-inventors
75Inventor score
Filing activity: Mar 5, 1979 → Mar 25, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5150349A | Disc loading structure | Physics | 30 | Expired |
| US5136570A | Disc ejecting structure with plurality of disk position sensors | Physics | 26 | Expired |
| US5555239A | Disk system | Physics | 24 | Expired |
| US4227224A | Cassette tape recording/reproducing apparatus | Physics | 15 | Expired |
| US5142522A | Locking mechanism useful for floating unit of automobile CD player | Physics | 15 | Expired |
| US4425591A | Magnetic recording/reproducing apparatus | Physics | 14 | Expired |
| US5195077A | Disc loading mechanism for large and small disks | Physics | 14 | Expired |
| US4723184A | Power cam driving mechanism for a tape recorder | Physics | 13 | Expired |
| US5537377A | Information recording and reproducing apparatus | Physics | 13 | Expired |
| US4337487A | Magnetic recording/reproducing apparatus | Physics | 12 | Expired |
| US6262952A | Disk apparatus and disk magazine | Physics | 10 | Expired |
| US4423445A | Clutch system in a tape player | Physics | 9 | Expired |
| US4452409A | Braking system for a tape player | Physics | 9 | Expired |
| US4993659A | Tape twine detecting device | Physics | 9 | Expired |
| US4403265A | Power loading/unloading mechanism for tape record/playback apparatus | Physics | 9 | Expired |
| US4374401A | Tape player | Physics | 8 | Expired |
| US4479155A | Auto-loading mechanism in a magnetic recording/reproducing apparatus | Physics | 8 | Expired |
| US4581665A | Mode changing mechanism for a tape player | Physics | 8 | Expired |
| US4626939A | Ejection mechanism for tape player | Physics | 8 | Expired |
| US6246643A | Disk changer device | Physics | 7 | Expired |
| US4628381A | Ejection mechanism for tape player | Physics | 7 | Expired |
| US4563711A | Tape player | Physics | 7 | Expired |
| US4511940A | Tape player having motor-driven tape-pack loading mechanism | Physics | 6 | Expired |
| US4344097A | Lock mechanism for use in tape player | Physics | 6 | Expired |
| US4672478A | Loading and ejection mechanism for tape player | Physics | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.