Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11305323 | Welded pipe manufacturing apparatus and welded pipe manufacturing method | Tomoyasu Nakano, Feizhou Wang, Takeyuki Sato | 2022-04-19 |
| 10744578 | Pipe cutting machine | Hiroaki Yabuta, Takeyuki Sato, Feizhou Wang, Hiromasa KITAYAMA | 2020-08-18 |
| 9192972 | Forming method and forming device | Feizhou Wang, Tomoyasu Nakano, Akinori Inokuma, Terutomo Akai | 2015-11-24 |
| 9156073 | Forming apparatus, shoe thereof and forming method | Feizhou Wang, Tomoyasu Nakano, Akinori Inokuma, Terutomo Akai | 2015-10-13 |