Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10070991 | Lacrimal duct tube | Mariko Matsumoto, Eiji Ogino, Chihiro Koga | 2018-09-11 |
| 10058451 | Lacrimal duct tube | Kohei Fukaya, Mariko Matsumoto, Chihiro Koga | 2018-08-28 |
| 9913753 | Lacrimal duct tube | Kohei Fukaya, Mariko Matsumoto, Eiji Ogino, Chihiro Koga | 2018-03-13 |