Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8732463 | Data transmitting apparatus and data authenticating method | Toshinari Takahashi, Fangming Zhao, Shinji Yamanaka, Kentaro Umesawa | 2014-05-20 |
| 8675874 | Apparatus for performing data compression processing using algebraic torus | Hirofumi Muratani, Tomoko Yonemura, Atsushi Shimbo, Kenji Ohkuma, Taichi Isogai +2 more | 2014-03-18 |
| 8543630 | Exponentiation calculation apparatus and method for calculating square root in finite extension field | Tomoko Yonemura, Hirofumi Muratani, Atsushi Shimbo, Kenji Ohkuma, Taichi Isogai +2 more | 2013-09-24 |
| 8538017 | Encryption device | Tsukasa Endo, Hideo Shimizu, Hanae Ikeda, Atsushi Shimbo | 2013-09-17 |
| 8438205 | Exponentiation calculation apparatus and method for calculating square root in finite extension field | Tomoko Yonemura, Hirofumi Muratani, Atsushi Shimbo, Kenji Ohkuma, Taichi Isogai +2 more | 2013-05-07 |
| 8401180 | Non-linear data converter, encoder and decoder | Hideo Shimizu, Koichi Fujisaki, Hideyuki Miyake, Atsushi Shimbo | 2013-03-19 |
| 8233616 | Apparatus and computer program product for performing data compression processing using algebraic torus | Hirofumi Muratani, Tomoko Yonemura, Atsushi Shimbo, Kenji Ohkuma, Taichi Isogai +3 more | 2012-07-31 |
| 7496759 | Multisignature method, apparatus, program, and system | Kazuo Ohta, Shinichi Kawamura, Atsushi Shimbo | 2009-02-24 |