Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9863427 | Barrel-type multistage pump | Takahide Nagahara, Tetsuya Yoshida | 2018-01-09 |
| 9334885 | Pump suction pipe | Takashi Okihara, Takahide Nagahara, Takeshi Kazama | 2016-05-10 |
| 9249804 | Barrel-type multistage pump | Takahide Nagahara, Tetsuya Yoshida | 2016-02-02 |