Issued Patents 2021
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11185944 | Friction stir spot welding device and friction stir spot welding method | Yoshitaka MURAMATSU, Masahiro Miyake, Takuya Fukuda | 2021-11-30 |
| 11135674 | Friction stir spot welding method and friction stir spot welding device | Yoshitaka MURAMATSU, Masahiro Miyake, Takuya Fukuda | 2021-10-05 |
| 11040413 | Spot welding apparatus, spot welding method, and joint structure | Yoshitaka MURAMATSU, Masahiro Miyake, Takuya Fukuda | 2021-06-22 |
| 10974343 | Friction stir spot joining apparatus and friction stir spot joining method | Yoshitaka MURAMATSU, Masahiro Miyake, Takuya Fukuda | 2021-04-13 |
| 10974344 | Friction stir spot joining apparatus and friction stir spot joining method | Yoshitaka MURAMATSU, Masahiro Miyake, Takuya Fukuda | 2021-04-13 |