Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6760840 | File editing system and shared file editing system with file content secrecy, file version management, and asynchronous editing | Atsushi Shimbo, Toshinari Takahashi, Ichiro Tomoda | 2004-07-06 |