Yasuhide Ouchi
24Patents
12h-index
53Co-inventors
80Inventor score
Filing activity: Dec 21, 1984 → Oct 23, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5418660A | Information processing apparatus for processing reproduction signal having nonlinear characteristics | Physics | 42 | Expired |
| US5766718A | Longitudinal magnetic recording medium and apparatus | Emerging Cross-Sectional Technologies | 38 | Expired |
| US5848045A | Method for recording and reading an optical disk | Physics | 38 | Expired |
| US5703855A | Optical disk apparatus and recording and reading method for an optical disk using the same | Physics | 36 | Expired |
| US5400189A | Magnetic recording and reproducing apparatus, reproduction signal processing apparatus, and reproduction signal processing method | Electricity | 30 | Expired |
| US5287228A | Peak detection method and apparatus therefor | Physics | 26 | Expired |
| US5572699A | Variable length data in a parallel disk array | Physics | 26 | Expired |
| US4774601A | Read channel for magnetic recording | Physics | 20 | Expired |
| US5818655A | Signal processing circuit and information recording/reproducing apparatus using the same, and method for optimizing coefficients of equalizer circuit | Physics | 19 | Expired |
| US5572503A | Correcting non-linear distortions of optical information with a non-linear equalizer | Physics | 16 | Expired |
| US4907100A | Readout circuit in magnetic recording device | Physics | 15 | Expired |
| US6496316B1 | Magnetic recording and reproduction apparatus | Physics | 13 | Expired |
| US5008761A | Readout circuit in magnetic recording device | Physics | 10 | Expired |
| US6046873A | Magnetic recording and reproducing apparatus including a viterbi detector having a variable reference amplitude value | Physics | 10 | Expired |
| US5392316A | Decoding method and apparatus with maximum likelihood sequence estimation | Electricity | 9 | Expired |
| US6661594B2 | Signal processing circuit and information recording/reproducing apparatus using the same, and method for optimizing coefficients of equalizer circuit | Physics | 6 | Expired |
| US5568330A | Recording/reproducing apparatus with maximum likelihood sequence estimation | Electricity | 6 | Expired |
| US4823208A | Multi slice level signal circuit | Physics | 5 | Expired |
| US4644424A | Equalizer used for magnetic storage device | Physics | 5 | Expired |
| US5325364A | Method for error correction and circuit for realizing same | Physics | 5 | Expired |
| US5467232A | Magnetic recording and reproducing method using phase discrimination and apparatus therefor | Physics | 4 | Expired |
| US4651236A | Waveform equalizing circuit | Physics | 4 | Expired |
| US5659309A | Data recording/reproducing apparatus having viterbi decoder and method thereof | Electricity | 4 | Expired |
| US6175460A | Magnetic recording and reproduction apparatus | Physics | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.