Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11216578 | Data analysis method and data analysis system | — | 2022-01-04 |
| 6910058 | Method and device for constructing elliptical curves | Yuichi Futa | 2005-06-21 |
| 6697946 | Message recovery signature apparatus | — | 2004-02-24 |
| 6611597 | Method and device for constructing elliptic curves | Yuichi Futa | 2003-08-26 |
| 6304657 | Data encryption apparatus using odd number of shift-rotations and method | Kaoru Yokota, Motoji Ohmori | 2001-10-16 |
| 6263081 | Elliptic curve calculation apparatus capable of calculating multiples at high speed | Takatoshi Ono | 2001-07-17 |
| 6212277 | Elliptic curve transformation device, utilization device and utilization system | — | 2001-04-03 |
| 5825885 | Bit agitator | Motoji Omori, Makoto Tatebayashi | 1998-10-20 |
| 5751810 | Bit agitator | Motoji Omori, Makoto Tatebayashi | 1998-05-12 |
| 5497423 | Method of implementing elliptic curve cryptosystems in digital signatures or verification and privacy communication | — | 1996-03-05 |
| 5442707 | Method for generating and verifying electronic signatures and privacy communication using elliptic curves | Makoto Tatebayashi | 1995-08-15 |
| 5351297 | Method of privacy communication using elliptic curves | Makoto Tatebayashi | 1994-09-27 |
| 5272755 | Public key cryptosystem with an elliptic curve | Makoto Tatebayashi | 1993-12-21 |