Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9759217 | Self-priming centrifugal pump | Hiroshi Yokota, Fumio Nishi, Kenji Takahashi | 2017-09-12 |
| 9700853 | Gas-liquid dissolving tank and microscopic bubble generator | Hiroshi Yokota, Fumio Nishi | 2017-07-11 |