| 8479018 |
System for making program difficult to read, device for making program difficult to read, and method for making program difficult to read |
Yuichi Futa, Taichi Sato, Rieko Asai, Motoji Ohmori |
2013-07-02 |
| 8312297 |
Program illegiblizing device and method |
Taichi Sato, Motoji Ohmori, Rieko Asai, Yuichi Futa, Tomoyuki Haga |
2012-11-13 |
| 8280039 |
Signature generating device, signature generating method and signature generating program |
Yuichi Futa, Motoji Ohmori |
2012-10-02 |
| 7434898 |
Computer system, computer program, and addition method |
Yuichi Futa, Motoji Ohmori, Hiroyuki Shizuya, Masato Yamamichi |
2008-10-14 |
| 6118874 |
Encrypted data recovery method using split storage key and system thereof |
Eiji Okamoto, Seiichi Domyo, Hiroyoshi Tsuchiya, Tooru Kawai, Kazuo Takaragi +2 more |
2000-09-12 |
