Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12409507 | Expulsion detection method in electric resistance welding and apparatus therefor | Yasuyuki Tanaka, Akira NAWAHARA, Yohei Shoji | 2025-09-09 |
| 11666983 | Dressing quality determination method for resistance welding electrodes and device for the same | Yosuke Maeda, Akira NAWAHARA | 2023-06-06 |