Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9814147 | Electronic circuit unit | Yasuyuki Igari, Shinobu Kida, Tatsuya Watanabe | 2017-11-07 |
| 4703144 | EDM control system to maximize efficiency by controlling the gap width | Makoto Goto, Akihiro Komori | 1987-10-27 |