Issued Patents 2016
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9486845 | Inner surface regulation tool, plug, mandrel, hot rolling mill, press piercing machine, and drawing machine | Kazuhiro Shimoda, Tomio Yamakawa, Yuji Inoue | 2016-11-08 |
| 9308561 | Method of producing seamless metal pipe | Tomio Yamakawa, Kazuhiro Shimoda | 2016-04-12 |
| 9283600 | Plug for hot pipe making | Kazuhiro Shimoda, Tomio Yamakawa, Yuji Inoue | 2016-03-15 |