Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880298 | Microscope objective | — | 1989-11-14 |
| 4840467 | Compact zoom lens system with a high zooming ratio | Takanori Yamanashi | 1989-06-20 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880298 | Microscope objective | — | 1989-11-14 |
| 4840467 | Compact zoom lens system with a high zooming ratio | Takanori Yamanashi | 1989-06-20 |