Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6627872 | Semiconductor optical sensing apparatus with reliable focusing means and casing structure | Akio Izumi, Nobuo Hirata, Osamu Sugiyama | 2003-09-30 |
| 6337736 | Thermal deformation compensating range finder | Osamu Sugiyama, Akio Izumi, Nobuo Hirata | 2002-01-08 |
| 6121675 | Semiconductor optical sensing device package | Akio Izumi | 2000-09-19 |
| 6046795 | Distance measuring instrument | Osamu Sugiyama, Nobuo Hirata, Akio Izumi | 2000-04-04 |