Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7134998 | Tear secretion quantity examination system | Koji Endo, Kazuo Tsubota | 2006-11-14 |
| 7121666 | Apparatus and method for the kinetic analysis of tear stability | Scheffer Tseng | 2006-10-17 |