Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889417 | Projection lens for television projector | — | 1989-12-26 |
| 4838670 | Projection lens for a projector | Kiichirou Ueda | 1989-06-13 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889417 | Projection lens for television projector | — | 1989-12-26 |
| 4838670 | Projection lens for a projector | Kiichirou Ueda | 1989-06-13 |