Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4317975 | Induction heating apparatus with means for detecting zero crossing point of high-frequency oscillation to determine triggering time | Takumi Mizukawa, Keizo Amagami, Mitsuyuki Kiuchi, Tatsuo Saka | 1982-03-02 |