Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8086570 | Secure document management using distributed hashing | Shigehisa Kawabe, Setsu Kunitake, Yoshihiro Ueda, Kenichi Numata, Akira Suzuki +2 more | 2011-12-27 |
| 8069243 | Document management server, method, storage medium and computer data signal, and system for managing document use | Setsu Kunitake, Shigehisa Kawabe | 2011-11-29 |