Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6396926 | Scheme for fast realization of encrytion, decryption and authentication | Tsuyoshi Takagi | 2002-05-28 |
| 6259790 | Secret communication and authentication scheme based on public key cryptosystem using N-adic expansion | Tsuyoshi Takagi | 2001-07-10 |
| 4284675 | Carriers for catalysts | Toshiyuki Sakai, Koichi Matsuo | 1981-08-18 |