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, Akira Suzuki, Masao Nukaga +2 more | 2011-12-27 |
| 8065743 | Content use management system, content-providing system, content-using device and computer readable medium | — | 2011-11-22 |