Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE36725 | Projection-type display device | Tomio Sonehara, Shinji Morozumi | 2000-06-06 |
| 6005644 | Projection display employing circular polarized light for reflection reduction | Hirosada Horiguchi | 1999-12-21 |
| 5241407 | Projection-type display device | Tomio Sonehara, Shinji Morozumi | 1993-08-31 |
| 5075798 | Projection-type display device | Tomio Sonehara, Shinji Morozumi | 1991-12-24 |
| 5073013 | Projection-type display device | Tomio Sonehara, Shinji Morozumi | 1991-12-17 |
| 4995702 | Projection-type display device | — | 1991-02-26 |
| 4904061 | Projection-type liquid crystal display device with even color | — | 1990-02-27 |