Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6175850 | Scheme for carrying out modular calculations based on redundant binary calculation | Shinji Ishii, Katsuichi Oyama | 2001-01-16 |
| 5604807 | System and scheme of cipher communication | Toshikazu Yamaguchi | 1997-02-18 |
| 5600722 | System and scheme of cipher communication | Toshikazu Yamaguchi | 1997-02-04 |