Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11047581 | Method for constructing a water circulation device and scale removal device | — | 2021-06-29 |
| 8460603 | Method of manufacturing electrical discharge surface treatment-purpose electrode and electrical discharge surface treatment-purpose electrode | Yoshikazu Nakano | 2013-06-11 |