Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6813357 | Exclusive key sharing method | Jun Anzai, Tsutomu Matsumoto | 2004-11-02 |
| 6684210 | File managing system, file management apparatus, file management method, and program storage medium | Hideaki Takechi, Hiroyuki Iitsuka, Masazumi Yamada | 2004-01-27 |