Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7359515 | Method and apparatus for symmetric-key decryption | Kazuo Takaragi, Hiroyuki Kurumatani, Masashi Takahashi, Kunihiko Miyazaki, Hisayoshi Sato +1 more | 2008-04-15 |
| 7280659 | Pseudorandom number generating apparatus or encryption or decryption apparatus using the same | Dai Watanabe, Kazuo Takaragi | 2007-10-09 |
| 7224796 | Pseudorandom number generating apparatus or encryption or decryption apparatus using the same | Dai Watanabe, Kazuo Takaragi | 2007-05-29 |
| 7200232 | Method and apparatus for symmetric-key decryption | Kazuo Takaragi, Hiroyuki Kurumatani, Masashi Takahashi, Kunihiko Miyazaki, Hisayoshi Sato +1 more | 2007-04-03 |
| 7177424 | Cryptographic apparatus and method | Michael Roe | 2007-02-13 |
| 7110545 | Method and apparatus for symmetric-key encryption | Kazuo Takaragi, Hiroyuki Kurumatani, Masashi Takahashi, Kunihiko Miyazaki, Hisayoshi Sato +1 more | 2006-09-19 |
| 6606385 | Data encrypting/decrypting conversion methods and apparatuses and data communication system adopting the same | Makoto Aikawa, Kazuo Takaragi, Hiroyuki Koreeda, Manabu Sasamoto, Hiroo Okamoto +2 more | 2003-08-12 |