Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5410028 | Test agent composition for dentistry | Fumio Tanaka, Ichiro Yamada | 1995-04-25 |
| 5170799 | Test strip for measuring tear production | Makoto Nagase, Motohiro Oka, Katsuhiko Hoshina | 1992-12-15 |
| 5135005 | Process for measuring tear production | Makoto Nagase, Motohiro Oka, Katsuhiko Hoshina | 1992-08-04 |
| 5046507 | Tear production measuring sheet and package therefor | Makoto Nagase, Shuichi Kobayashi, Yasunori Arai, Kazuo Ito, Motohiro Oka | 1991-09-10 |
| 4962043 | Simplified detection implement | Moriharu Nagase, Mutsumi Shibuya, Katsuo Matsumoto, Hikaru Teranishi, Sukeo Saito | 1990-10-09 |