Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12420349 | Arc welding control method | Tetsuo Era, Satoshi Arakane | 2025-09-23 |
| 12005530 | AC pulse arc welding control method | Wakana Kondo | 2024-06-11 |
| 11524353 | Method of arc welding | — | 2022-12-13 |
| 11491571 | Arc welding method | Tetsuo Era, Shugo Hirota, Toshiaki Nakamata | 2022-11-08 |
| 11491570 | Arc welding method | Tetsuo Era, Shugo Hirota, Toshiaki Nakamata | 2022-11-08 |
| 11090754 | Arc welding control method | Kohei Ono, Toshiaki Nakamata | 2021-08-17 |
| 10413988 | Arc welding control method | Toshiaki Nakamata | 2019-09-17 |
| 9615404 | Consumable electrode arc welding method | Toshiaki Nakamata | 2017-04-04 |