Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4830483 | Laser applying apparatus | Yasuyuki Numajiri | 1989-05-16 |
| 4825873 | Non-contact eye pressure meter | — | 1989-05-02 |
| 4826315 | Lens meter | — | 1989-05-02 |
| 4820037 | Apparatus for measuring the refractive power of an eye | Kazuhiro Matsumoto | 1989-04-11 |