Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10626880 | Impeller assembly for centrifugal pumps | Masashi Obuchi, So Kuroiwa, Dai Sakihama, Renato Groppo, Fabio Balbo +4 more | 2020-04-21 |
| D791841 | Impeller for pumps | Masashi Obuchi, So Kuroiwa, Dai Sakihama, Renato Groppo, Fabio Balbo +4 more | 2017-07-11 |
| D776166 | Impeller for a pump | Masashi Obuchi, So Kuroiwa, Dai Sakihama, Renato Groppo, Fabio Balbo +4 more | 2017-01-10 |