Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6409012 | Disk cartridge storage case and index card | Hideaki Shiga, Kazuaki Taga, Yutaka Senda | 2002-06-25 |
| 5960948 | Disk cartridge storage case and index card | Hideaki Shiga, Kazuaki Taga, Yutaka Senda | 1999-10-05 |