Toshitada Doi
26Patents
15h-index
22Co-inventors
81Inventor score
Filing activity: Sep 23, 1974 → Aug 9, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4306305A | PCM Signal transmitting system with error detecting and correcting capability | Physics | 144 | Expired |
| US5953721A | Data supplying method and device thereof | Emerging Cross-Sectional Technologies | 96 | Expired |
| US4413340A | Error correctable data transmission method | Physics | 56 | Expired |
| US4206440A | Encoding for error correction of recorded digital signals | Physics | 52 | Expired |
| US4622598A | Method of recording odd and even words of one channel PCM signals in plural tracks | Physics | 49 | Expired |
| US4238852A | Error correcting system | Physics | 45 | Expired |
| US4138694A | Video signal recorder/reproducer for recording and reproducing pulse signals | Electricity | 41 | Expired |
| US4069394A | Stereophonic sound reproduction system | Electricity | 36 | Expired |
| US4194095A | Fluid flow control speaker system | Emerging Cross-Sectional Technologies | 25 | Expired |
| US4398292A | Method and apparatus for encoding digital with two error correcting codes | Physics | 22 | Expired |
| US4393502A | Method and apparatus for communicating digital information words by error-correction encoding | Physics | 20 | Expired |
| US4644546A | Method of digital signal transmission | Electricity | 18 | Expired |
| US4215335A | Digital signal transmission method | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4188616A | Method and system for transmitting and receiving blocks of encoded data words to minimize error distortion in the recovery of said data words | Physics | 16 | Expired |
| US4356564A | Digital signal transmission system with encoding and decoding sections for correcting errors by parity signals transmitted with digital information signals | Physics | 15 | Expired |
| US4037052A | Sound pickup assembly | Electricity | 15 | Expired |
| US6742118B1 | Information processing apparatus, information processing method, data recording medium, and information processing system | Physics | 13 | Expired |
| US3980963A | Stabilized transistor amplifier | Electricity | 10 | Expired |
| US4068091A | Binaural sound pickup | Electricity | 10 | Expired |
| US4355392A | Burst-error correcting system | Physics | 9 | Expired |
| US7197455B1 | Content selection system | Electricity | 6 | Expired |
| USRE31666E | Burst-error correcting system | General | 5 | Expired |
| US4121205A | Digital to analog converter with power amplification | Electricity | 5 | Expired |
| US5887130A | Information processing apparatus, information processing method, data recording medium, and information processing system | Physics | 4 | Expired |
| US6119119A | Data supplying method and device therefor | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.