Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11618065 | Roll forming machine | Takeyuki Sato, Tomoyasu Nakano | 2023-04-04 |
| 11305323 | Welded pipe manufacturing apparatus and welded pipe manufacturing method | Jilong YIN, Tomoyasu Nakano, Takeyuki Sato | 2022-04-19 |
| 10744578 | Pipe cutting machine | Hiroaki Yabuta, Takeyuki Sato, Hiromasa KITAYAMA, Jilong YIN | 2020-08-18 |
| 9895758 | Ring tool unit, method for manufacturing the same, sleeve, and mandrel | Takeyuki Sato, Mitsuru Nakata, Tomoyasu Nakano, Takamitsu Miura | 2018-02-20 |
| 9491936 | Creation method of a fishhook with attractant | — | 2016-11-15 |
| 9199290 | Squeeze roll stand | Hiroaki Yabuta, Satoshi Tsuruta, Shoji Shibata, Kunihiko Hatabara, Katsumi Fujino | 2015-12-01 |
| 9192972 | Forming method and forming device | Tomoyasu Nakano, Akinori Inokuma, Jilong YIN, Terutomo Akai | 2015-11-24 |
| 9156073 | Forming apparatus, shoe thereof and forming method | Tomoyasu Nakano, Akinori Inokuma, Jilong YIN, Terutomo Akai | 2015-10-13 |
| 8826785 | Cutting machine | Hiroyoshi Kato | 2014-09-09 |
| 8719644 | Method and system for diagnosing apparatus | Lin Tao, Yi Li, Lin Chang | 2014-05-06 |
| 8395068 | Device and method for controlling welding angle | Satoshi Tsuruta, Tomoyasu Nakano | 2013-03-12 |
| 7921688 | Square tube forming roll, square tube forming method, and forming device | Tomoyasu Nakano, Manabu Kiuchi | 2011-04-12 |
| 6212925 | Method for roll forming steel pipes, and equipment for same | Atsumu Okamoto | 2001-04-10 |