Issued Patents All Time
Showing 76–90 of 90 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5708714 | Method for sharing secret information and performing certification in a communication system that has a plurality of information processing apparatuses | Jose Lopez | 1998-01-13 |
| 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 |
| 5590138 | Error correction apparatus | — | 1996-12-31 |
| 5541937 | Apparatus for uniformly correcting erasure and error of received word by using a common polynomial | — | 1996-07-30 |
| 5535140 | Polynominal-set deriving apparatus and method | — | 1996-07-09 |
| 5524090 | Apparatus for multiplying long integers | — | 1996-06-04 |
| 5459741 | Error correction method | — | 1995-10-17 |
| 5325373 | Apparatus for encoding and decoding reed-solomon code | Hideki Imai, Yasunori Dohi | 1994-06-28 |
| 5321752 | Method of and apparatus for encryption and decryption of communication data | Takahisa Yamamoto | 1994-06-14 |
| 5315600 | Error correction system including a plurality of processor elements which are capable of performing several kinds of processing for error correction in parallel | Takayuki Aizawa, Izumi Narita, Takatoshi Suzuki | 1994-05-24 |
| 5313530 | Calculating apparatus and method of encrypting/decrypting communication data by using the same | — | 1994-05-17 |
| 4747103 | Signal processing apparatus for correcting decoding errors | Hideki Imai, Yasunori Dohi | 1988-05-24 |