Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4848895 | Automatic eye refractive power measuring apparatus | Yasuo Kato, Shinji Wada, Ikuo Kitao | 1989-07-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4848895 | Automatic eye refractive power measuring apparatus | Yasuo Kato, Shinji Wada, Ikuo Kitao | 1989-07-18 |