Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6633893 | File management system and method, and storage medium | Masashi Yahara | 2003-10-14 |
| 6594650 | File management system and its method and storage medium | Kamon Hasuo, Masashi Yahara, Ryuichi Masuda, Satoru Nakajima | 2003-07-15 |