Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5170799 | Test strip for measuring tear production | Makoto Nagase, Kuniaki Asami, Motohiro Oka | 1992-12-15 |
| 5135005 | Process for measuring tear production | Makoto Nagase, Kuniaki Asami, Motohiro Oka | 1992-08-04 |