Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8924448 | Arithmetic device, method, and program product | Taichi Isogai, Kenichiro Furuta, Hirofumi Muratani, Tomoko Yonemura, Yoshikazu Hanatani +3 more | 2014-12-30 |
| 8782114 | Arithmetic device | Tomoko Yonemura, Taichi Isogai, Hirofumi Muratani, Atsushi Shimbo, Yoshikazu Hanatani +3 more | 2014-07-15 |
| 8675874 | Apparatus for performing data compression processing using algebraic torus | Hirofumi Muratani, Tomoko Yonemura, Atsushi Shimbo, Taichi Isogai, Yuichi Komano +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, Taichi Isogai, Yuichi Komano +2 more | 2013-09-24 |
| 8533243 | Representation converting apparatus, arithmetic apparatus, representation converting method, and computer program product | Tomoko Yonemura, Hirofumi Muratani, Hanae Ikeda, Taichi Isogai, Kenichiro Furuta +1 more | 2013-09-10 |
| 8438205 | Exponentiation calculation apparatus and method for calculating square root in finite extension field | Tomoko Yonemura, Hirofumi Muratani, Atsushi Shimbo, Taichi Isogai, Yuichi Komano +2 more | 2013-05-07 |
| 8233616 | Apparatus and computer program product for performing data compression processing using algebraic torus | Hirofumi Muratani, Tomoko Yonemura, Atsushi Shimbo, Taichi Isogai, Yuichi Komano +3 more | 2012-07-31 |
| 7492903 | Secret key distribution method and secret key distribution system | Kouichi Ichimura, Noritsugu Shiokawa, Mikio Fujii, Kentaro Torii | 2009-02-17 |
| 7321429 | Microscope using quantum-mechanically entangled photons | Kouichi Ichimura, Mikio Fujii, Hayato Goto, Kentaro Torii | 2008-01-22 |
| 7305085 | Encryption apparatus and method, and decryption apparatus and method based on block encryption | Fumihiko Sano, Hirofumi Muratani, Shinichi Kawamura | 2007-12-04 |
| 7227948 | Encryption apparatus and method, and decryption apparatus and method based on block encryption | Hirofumi Muratani, Shinichi Kawamura, Fumihiko Sano | 2007-06-05 |
| 7209556 | Encryption apparatus and method, and decryption apparatus and method based on block encryption | Hirofumi Muratani, Shinichi Kawamura, Fumihiko Sano | 2007-04-24 |
| 7194090 | Encryption apparatus, decryption apparatus, expanded key generating apparatus and method therefor, and recording medium | Hirofumi Muratani, Masahiko Motoyama, Fumihiko Sano, Shinichi Kawamura | 2007-03-20 |