Issued Patents 1997
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5695266 | Projection-type display apparatus | Hiroshi Kida, Akira Daijogo, Shinji Okamori | 1997-12-09 |
| 5691785 | Color projection type display apparatus having three liquid displays of same structure | Masahiro Usui, Hiroshi Kida, Mitsushige Kondo | 1997-11-25 |
| 5671993 | Projection-type apparatus | — | 1997-09-30 |
| 5662400 | Projection display system | Hiroshi Kida, Akira Daijogo | 1997-09-02 |
| 5644435 | Zoom lens system and projection-type display apparatus | — | 1997-07-01 |
| 5634704 | Light-source device and projection-type display device | Hiroshi Kida | 1997-06-03 |
| 5622418 | Projection display device | Akira Daijogo, Hiroshi Kida | 1997-04-22 |
| 5613749 | Condenser lens, polarizing element, light source apparatus, and projection display apparatus | Hiroshi Kida, Akira Daijogo | 1997-03-25 |