Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11872663 | Repair welding method | Masaki Honda, Toshiaki Nishio, Nobuyoshi Komai, Takumi Tokiyoshi, Masaaki Fujita +6 more | 2024-01-16 |
| 9759217 | Self-priming centrifugal pump | Hiroshi Yokota, Isao Kawamoto, Kenji Takahashi | 2017-09-12 |
| 9700853 | Gas-liquid dissolving tank and microscopic bubble generator | Hiroshi Yokota, Isao Kawamoto | 2017-07-11 |
| 7597732 | Gas-liquid separator | Hiroshi Yokota | 2009-10-06 |
| 6919534 | Welded joints in high strength, heat resistant steels, and a welding method therefor | Nobuyoshi Komai, Fujimitsu Masuyama, Yasuhiro Ukeguchi | 2005-07-19 |