Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8086570 | Secure document management using distributed hashing | Shigehisa Kawabe, Yoshihiro Ueda, Kenichi Numata, Akira Suzuki, Masao Nukaga +2 more | 2011-12-27 |
| 8069243 | Document management server, method, storage medium and computer data signal, and system for managing document use | Shigehisa Kawabe, Taro Terao | 2011-11-29 |
| 8028018 | System, device, and method for cooperative processing | Shigehisa Kawabe, Akira Suzuki, Katsuhide Tanaka | 2011-09-27 |
| 7912846 | Document processing method, recording medium, and document processing system | Shigehisa Kawabe, Akira Suzuki, Katsuhide Tanaka | 2011-03-22 |