Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10959297 | Heating coil, heat treatment apparatus, and heat treatment method for elongated workpiece | Yutaka Sugiyama | 2021-03-23 |
| 10952288 | Induction heating device, induction heating equipment, induction heating method, and heat treatment method | Hitoshi Nakatsu, Masato Yoshioka, Tsutomu Ito, Kenji Koyanagi, Masaki Sagae +3 more | 2021-03-16 |