Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9833861 | Friction stir welding method for steel sheets and method of manufacturing joint | Koichi Taniguchi, Rinsei Ikeda | 2017-12-05 |
| 9821407 | Friction stir welding method for structural steel and method of manufacturing joint for structural steel | Koichi Taniguchi, Rinsei Ikeda | 2017-11-21 |