Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9835155 | Sealing of a gear pump | Naoki Hakamada, Takahiro Naganuma, Tomoaki Kawabata | 2017-12-05 |
| 9556869 | Compact structure of gear pump designed to minimize loss of pumping torque | Naoki Hakamada, Kazunori Uchiyama, Takahiro Naganuma, Tomoaki Kawabata, Kunihito Ando | 2017-01-31 |