Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8950047 | Welding tip replacement apparatus, welding tip replacement system, and method for replacing welding tip | Shun Izutani | 2015-02-10 |
| 8809740 | Two-electrode welding method | Kei Yamazaki | 2014-08-19 |
| 8461485 | Solid wire | Yu Umehara | 2013-06-11 |
| 8044324 | Solid wire | Yu Umehara | 2011-10-25 |