Yoshiaki Asakawa
13Patents
11h-index
17Co-inventors
65Inventor score
Filing activity: Nov 25, 1983 → Nov 29, 1996
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5983172A | Method for coding/decoding, coding/decoding device, and videoconferencing apparatus using such device | Physics | 70 | Expired |
| US4975957A | Character voice communication system | Physics | 50 | Expired |
| US5384891A | Vector quantizing apparatus and speech analysis-synthesis system using the apparatus | Electricity | 45 | Expired |
| US5566191A | Soft decision maximum likelihood decoding method with adaptive metric | Electricity | 32 | Expired |
| US5077798A | Method and system for voice coding based on vector quantization | Emerging Cross-Sectional Technologies | 30 | Expired |
| US4776015A | Speech analysis-synthesis apparatus and method | Physics | 28 | Expired |
| US5119424A | Speech coding system using excitation pulse train | Physics | 23 | Expired |
| US4528688A | Continuous speech recognition method | Physics | 16 | Expired |
| US5142582A | Speech coding and decoding system with background sound reproducing function | Electricity | 15 | Expired |
| US5956686A | Audio signal coding/decoding method | Physics | 14 | Expired |
| US5060268A | Speech coding system and method | Physics | 13 | Expired |
| US4718095A | Speech recognition method | Physics | 10 | Expired |
| US4985923A | High efficiency voice coding system | Physics | 9 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.