Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5915024 | Electronic signature addition method, electronic signature verification method, and system and computer program product using these methods | Yuichi Koganezawa | 1999-06-22 |
| 5602858 | Digital signal decoding apparatus having a plurality of correlation tables and a method thereof | — | 1997-02-11 |
| 5440572 | Digital signal decoding apparatus and a method thereof having a function of initializing a pass metric for at least one compression block | — | 1995-08-08 |
| 5060104 | Rotary head device with six head units | Shigeo Kizu | 1991-10-22 |