Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5668623 | Corneal shape measuring apparatus | Takeyuki Kato, Minoru Kamiya | 1997-09-16 |
| 5609747 | Method of dissolving zinc oxide | Tamotsu Mizuta, Yasuhide Okada, Hiroshi Nakano, Takao Ikenaga, Osamu Shin +1 more | 1997-03-11 |