Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5694330 | Error correction method including erasure correction, and apparatus therefor | Takayuki Aizawa, Izumi Narita, Takatoshi Suzuki | 1997-12-02 |
| 5666419 | Encryption device and communication apparatus using same | Takahisa Yamamoto | 1997-09-09 |
| 5604752 | Communication method and apparatus therefor | — | 1997-02-18 |
| 5600720 | Encryption apparatus, communication system using the same and method therefor | Takahisa Yamamoto | 1997-02-04 |