Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9255304 | Cooling system and cooling method of rolling steel | Seiji Sugiyama, Tatsuya Yamanokuchi, Takeshi Kimura, Kazuhisa Fujiwara, Takuya Sato | 2016-02-09 |
| 8715565 | Cooling system and cooling method of rolling steel | Seiji Sugiyama, Tatsuya Yamanokuchi, Takeshi Kimura, Kazuhisa Fujiwara, Takuya Sato | 2014-05-06 |
| 8353443 | Device and method for cooling rail weld zone | Seiji Sugiyama, Kenichi Karimine | 2013-01-15 |