Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5519461 | Optometer having optotype disc which rotates about its axis and another axis | Hiroshi Kawamoto | 1996-05-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5519461 | Optometer having optotype disc which rotates about its axis and another axis | Hiroshi Kawamoto | 1996-05-21 |