Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D328252 | Plug for blood collecting tube | — | 1992-07-28 |
| 5020220 | Device for opening film-like closure | Masaaki Kasai, Sakae Yamazaki, Takato Murashita | 1991-06-04 |
| 4985026 | Blood collecting tube | Masaaki Kasai, Sakae Yamazaki | 1991-01-15 |