Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8134787 | Super-wide angle lens | — | 2012-03-13 |
| 5138511 | Magnetic recording disk in which the level of the surface of the data tracks, and servo tracks is higher than that of the guardbands | Susumu Hoshimi | 1992-08-11 |