Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5604807 | System and scheme of cipher communication | Kiyoto Tanaka | 1997-02-18 |
| 5600722 | System and scheme of cipher communication | Kiyoto Tanaka | 1997-02-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5604807 | System and scheme of cipher communication | Kiyoto Tanaka | 1997-02-18 |
| 5600722 | System and scheme of cipher communication | Kiyoto Tanaka | 1997-02-04 |