KA

Keizo Amagami

Sumitomo Electric Industries: 4 patents #6,367 of 21,551Top 30%
Overall (All Time): #1,308,548 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
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