Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11174879 | Industrial ejector having improved suction performance | Susumu Hasegawa | 2021-11-16 |
| 6834493 | System for reducing pump cavitation | Tomoyuki Hashimoto, Mitsuo Watanabe, Takeshi Kanda, Satoshi Hasegawa, Kenji Kudo +1 more | 2004-12-28 |