Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11618065 | Roll forming machine | Tomoyasu Nakano, Feizhou Wang | 2023-04-04 |
| 11305323 | Welded pipe manufacturing apparatus and welded pipe manufacturing method | Jilong YIN, Tomoyasu Nakano, Feizhou Wang | 2022-04-19 |
| 10744578 | Pipe cutting machine | Hiroaki Yabuta, Feizhou Wang, Hiromasa KITAYAMA, Jilong YIN | 2020-08-18 |
| 9895758 | Ring tool unit, method for manufacturing the same, sleeve, and mandrel | Feizhou Wang, Mitsuru Nakata, Tomoyasu Nakano, Takamitsu Miura | 2018-02-20 |
| 9259772 | Forming apparatus | Manabu Ninomiya, Hiroaki Yabuta, Takeshi Watanabe, Tomoyasu Nakano | 2016-02-16 |
| 6726533 | Method for polishing leads for semiconductor packages | — | 2004-04-27 |
| 6336848 | Apparatus for polishing leads of a semiconductor package | — | 2002-01-08 |