Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4974235 | Method of adaptive quantization in differential pulse code modulation and a system for transmitting quantized data | Takayuki Sasaki, Hisayoshi Moriwaki, Hideki Fukasawa, Kenzo Akagiri | 1990-11-27 |