Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7503909 | Instillation container with level-difference portion | Hiroshi Yamada | 2009-03-17 |
| 7438704 | Open instillation container and method of manufacturing the container | Yoichi Kawashima | 2008-10-21 |
| 6875201 | Recessed part forming instillation container | Yoichi Kawashima, Hiroshi Yamada | 2005-04-05 |
| 5290228 | Two-compartment syringe | Osamu Uemura | 1994-03-01 |