Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7209885 | Compressed code generating method and compressed code decompressing method | Takahiro Abe | 2007-04-24 |
| 7054446 | Chaos cryptographic communication method and chaos cryptographic communication system | Tetsuya Ishihara, Takahiro Abe | 2006-05-30 |
| 6788787 | Pseudorandom number generator, stream encryption method, and stream encrypting communication method | Osamu Ueno, Tetsuya Ishihara | 2004-09-07 |
| 6473448 | Spread spectrum signal generation method, spread spectrum signal generator, stream encryption method, and stream enciphered codes communication method | Tetsuya Ishihara | 2002-10-29 |