Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7864950 | Block encryption device using auxiliary conversion | Mitsuru Matsui, Junko Nakajima, Masayuki Kanda, Shiho Moriai, Kazumaro Aoki | 2011-01-04 |
| 7822196 | Block cipher apparatus using auxiliary transformation | Mitsuru Matsui, Junko Nakajima, Masayuki Kanda, Shiho Moriai, Kazumaro Aoki | 2010-10-26 |
| 7760870 | Block cipher apparatus using auxiliary transformation | Mitsuru Matsui, Junko Nakajima, Masayuki Kanda, Shiho Moriai, Kazumaro Aoki | 2010-07-20 |
| 7760871 | Block cipher using auxiliary transformation | Mitsuru Matsui, Junko Nakajima, Masayuki Kanda, Shiho Moriai, Kazumaro Aoki | 2010-07-20 |
| 7697684 | Block cipher apparatus using auxiliary transformation | Mitsuru Matsui, Junko Nakajima, Masayuki Kanda, Shiho Moriai, Kazumaro Aoki | 2010-04-13 |
| 7184549 | Method and apparatus for encryption, method and apparatus for decryption, and computer-readable medium storing program | Toru Sorimachi | 2007-02-27 |
| 7096369 | Data transformation apparatus and data transformation method | Mitsuru Matsui | 2006-08-22 |
| 6466669 | Cipher processor, IC card and cipher processing method | Mitsuru Matsui | 2002-10-15 |
| 6415030 | Data transformation apparatus and data transformation method | Mitsuru Matsui | 2002-07-02 |
| 6201869 | Data transformation apparatus and data transformation method | Mitsuru Matsui | 2001-03-13 |
| 5912905 | Error-correcting encoder, error-correcting decoder and data transmitting system with error-correcting codes | Yasuyuki Sakai, Hideo Yoshida | 1999-06-15 |
| 5699368 | Error-correcting encoder, error-correcting decoder, and data transmitting system with error-correcting codes | Yasuyuki Sakai, Hideo Yoshida | 1997-12-16 |