Issued Patents 2022
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11504796 | Resistance spot welding method | Chikaumi Sawanishi, Yasuaki Okita | 2022-11-22 |
| 11498150 | Resistance spot welding method | Koichi Taniguchi, Reiko ENDO, Katsutoshi Takashima, Hiroshi Matsuda | 2022-11-15 |
| 11446757 | Double-sided friction stir welding method for metal sheets and double-sided friction stir welding device | Muneo Matsushita | 2022-09-20 |
| 11298773 | Resistance spot welding method | Koichi Taniguchi, Chikaumi Sawanishi, Katsutoshi Takashima, Hiroshi Matsuda | 2022-04-12 |
| 11241755 | Friction stir welding method and apparatus for structural steel | Muneo Matsushita, Koichi Taniguchi | 2022-02-08 |