Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9106213 | Bit generation apparatus and bit generation method | Koichi Shimizu, Daisuke Suzuki | 2015-08-11 |
| 8533492 | Electronic device, key generation program, recording medium, and key generation method | — | 2013-09-10 |
| 7639800 | Data conversion device and data conversion method | Mitsuru Matsui, Tetsuya Ichikawa | 2009-12-29 |
| 7333609 | Encrypting apparatus | Takeshi Chikazawa, Takao Wakabayashi, Shinsuke Uga | 2008-02-19 |