Yoshimi Iso
27Patents
9h-index
41Co-inventors
75Inventor score
Filing activity: Jan 14, 1977 → Jun 22, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5612933A | Apparatus for reproducing recorded information with error detection and correction processing | Physics | 26 | Expired |
| US5260671A | Receiving circuit for demodulating an angle modulated signal | Electricity | 23 | Expired |
| US4539665A | Tracking servo control unit for an information reproducing apparatus | Physics | 22 | Expired |
| US4675855A | Reproducing rate control apparatus for information recording disc | Physics | 20 | Expired |
| US4532561A | Playback speed control system | Physics | 20 | Expired |
| US4403347A | Antenna tuning circuit for AM radio receiver | Electricity | 15 | Expired |
| US4965867A | Offset compensation circuit | Electricity | 14 | Expired |
| US4398060A | Muting circuit for an FM radio receiver | Electricity | 9 | Expired |
| US4682314A | Disc playback apparatus | Physics | 9 | Expired |
| US8860593B2 | Data processing system | Electricity | 7 | Active |
| US4122394A | Phase-shifting multiplication type FM signal demodulation circuit | Electricity | 7 | Expired |
| US8077065B2 | Data processing device and data processing system | Electricity | 7 | Active |
| US4571572A | Digital/analogue converter | Electricity | 6 | Expired |
| US4746900A | Signal processing circuit | Electricity | 5 | Expired |
| USRE34295E | Signal processing circuit | General | 4 | Expired |
| US8471737B2 | System and method for providing high resolution digital-to-analog conversion using low resolution digital-to-analog converters | Electricity | 4 | Active |
| US4146842A | Noise muting circuit in FM receiver | Electricity | 3 | Expired |
| US6928595B2 | Medium reading apparatus | Physics | 3 | Expired |
| US7995431B2 | Optical disc device | Physics | 2 | Active |
| US4392020A | Stereo demodulation system for an FM stereo broadcast receiver | Electricity | 2 | Expired |
| US6785762B2 | Recording/reproducing device having plural disk units which access an information recording medium including a computer readable recording medium | Physics | 1 | Expired |
| US8614636B2 | Data processing device and data processing system | Electricity | 1 | Active |
| US8780680B2 | Optical disc device | Physics | 1 | Active |
| US9337858B2 | Data processing system | Electricity | 0 | Active |
| US8981975B2 | Data processing device and data processing system | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.