Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9664325 | Pipe connecting device with fastening completion structure | Takayuki Kishimoto, Takeshi Nakagawa, Kiyotaka Omae | 2017-05-30 |
| 9644774 | Welding joint and welding method for same, welding device, welding joint, resin pipe welding device and welding method | Ryo Imanishi, Masaru Misaki, Takehiro Nakamura, Akihiro Masuda | 2017-05-09 |