Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9471592 | File management system, method and computer program | Toshiaki Koyama | 2016-10-18 |
| 9400804 | File management system, method and computer program | Toshiaki Koyama | 2016-07-26 |
| 8934610 | File management system, method and computer program | Toshiaki Koyama | 2015-01-13 |