Issued Patents 2018
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10081074 | Resistance spot welding device and resistance spot welding method | Chikaumi Sawanishi, Yasuaki Okita, Hiroshi Matsuda | 2018-09-25 |
| 10005151 | Friction stir welding method for steel sheets and method of manufacturing joint | Koichi Taniguchi, Muneo Matsushita | 2018-06-26 |
| 9895764 | Resistance spot welding system | Yasuaki Okita, Chikaumi Sawanishi | 2018-02-20 |
| 9895765 | Resistance spot welding method | Koichi Taniguchi, Yasuaki Okita | 2018-02-20 |