Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9006623 | High-frequency induction hardening apparatus for metal objects | Noboru Tsukamoto | 2015-04-14 |
| 8274022 | Induction heater and induction heating method | Junji Minoue | 2012-09-25 |