Issued Patents 2020
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10835986 | Resistance spot welding method and welded member production method | Chikaumi Sawanishi, Koichi Taniguchi, Katsutoshi Takashima, Hiroshi Matsuda | 2020-11-17 |
| 10773334 | Resistance spot welding method | Chikaumi Sawanishi, Hiroshi Matsuda | 2020-09-15 |
| 10766099 | Friction stir welding apparatus for structural steel | Muneo Matsushita, Koichi Taniguchi | 2020-09-08 |
| 10722972 | Resistance spot welding device | Koichi Taniguchi, Yasuaki Okita | 2020-07-28 |
| 10641304 | Resistance spot welding method and weld joint | Koichi Taniguchi, Yasuaki Okita | 2020-05-05 |
| 10625365 | Resistance spot welding method | Chikaumi Sawanishi, Yasuaki Okita, Hiroshi Matsuda | 2020-04-21 |
| 10625368 | Resistance spot welding method and method for manufacturing resistance spot welded joint | Chikaumi Sawanishi, Hiroshi Matsuda | 2020-04-21 |