Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10907743 | Check valve and reciprocating body for check valve | Nobuyuki Ishizaki, Daisuke Kikuchi, Kazuhiko Kojima, Futoshi Hasegawa, Kohei Mizutani | 2021-02-02 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10907743 | Check valve and reciprocating body for check valve | Nobuyuki Ishizaki, Daisuke Kikuchi, Kazuhiko Kojima, Futoshi Hasegawa, Kohei Mizutani | 2021-02-02 |