Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5645334 | Projector and focusing method therein | Yasuyuki Tejima, Masakuni Iwanaga | 1997-07-08 |
| 5600488 | Projection lens assembly and projector | Yasuyuki Tejima, Masakazu Yamagata | 1997-02-04 |