Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6542204 | Display optical system | Soh Ohzawa | 2003-04-01 |
| 6450648 | Oblique projection optical system | Soh Ohzawa | 2002-09-17 |
| 6429971 | Focusing method for a decentered optical system | Soh Ohzawa | 2002-08-06 |
| 6304388 | Zoom lens system | — | 2001-10-16 |
| 6282035 | Image forming optical system in which the effects of ghosting are minimized | — | 2001-08-28 |
| 6028717 | Zoom lens system | Tetsuo Kohno | 2000-02-22 |
| 5973854 | Zoom lens system | — | 1999-10-26 |
| 5815321 | Zoom lens system | — | 1998-09-29 |