Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4490596 | Induction cooking apparatus having cooling arrangement therefor | Yukio Hirai, Takao Kobayashi, Shinichi Matsumoto | 1984-12-25 |
| 4447691 | Circuit for detecting a utensil load placed asymmetrically relative to an induction heating coil | Takumi Mizukawa, Takao Kobayashi | 1984-05-08 |
| 4446350 | Induction heating cooking apparatus | Takumi Mizukawa, Yoshio Ogino | 1984-05-01 |
| 4317975 | Induction heating apparatus with means for detecting zero crossing point of high-frequency oscillation to determine triggering time | Takumi Mizukawa, Mitsuyuki Kiuchi, Hirokazu Yoshida, Tatsuo Saka | 1982-03-02 |