Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10828194 | Lacrimal duct tube | Chihiro Koga, Eiji Ogino, Fumiyasu Hirai, Kohei Fukaya, Mariko Matsumoto | 2020-11-10 |
| 10413701 | Medical tube | Mariko Matsumoto, Yoichi Matsumura | 2019-09-17 |
| 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 |
| 7322944 | Guide wire | Shinji Osawa | 2008-01-29 |
| 6491669 | Protector for liquid drug administration needle | Yukinori Ebara, Naohiro Atsumi, Atsushi Ichimiya | 2002-12-10 |
| 5700251 | Epidural catheter | Katsuhiro Hiejima | 1997-12-23 |
| 5531688 | Apparatus for dosing a liquid medicine | Katsuhiro Hiejima | 1996-07-02 |
| 5125741 | Method and apparatus for inspecting surface conditions | Saburo Okada, Tetsuhiro Sumimoto, Masaaki Imade | 1992-06-30 |