Issued Patents All Time
Showing 51–53 of 53 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 |
| 4281378 | Frequency inverter | Yoshio Ogino, Takumi Mizukawa | 1981-07-28 |
| 4209683 | Load responsive trigger interval control for induction heating apparatus having inversely parallel connected thyristors | Mitsuyuki Kiuchi, Shigeo Hamaoka, Hitoshi Wakita | 1980-06-24 |