Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10462854 | Apparatus and method for heating annular workpiece, and heating coil | Shigeo Takahashi, Yasuharu Ogawa | 2019-10-29 |
| 10415109 | Workpiece for induction hardening | — | 2019-09-17 |
| 10314118 | Induction heating coil and induction heating method | Hirokazu Inaba | 2019-06-04 |