TM

Takumi Mizukawa

Sumitomo Electric Industries: 10 patents #2,734 of 21,551Top 15%
Overall (All Time): #528,881 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
4595814 Induction heating apparatus utilizing output energy for powering switching operation Yoshio Ogino, Hideki Ohmori, Hirokazu Yoshida 1986-06-17
4555608 Inverter device for induction heating Yoshio Ogino, Hideki Ohmori, Taketoshi Sato 1985-11-26
4467165 Induction heating apparatus Mitsuyuki Kiuchi 1984-08-21
4447691 Circuit for detecting a utensil load placed asymmetrically relative to an induction heating coil Keizo Amagami, Takao Kobayashi 1984-05-08
4446350 Induction heating cooking apparatus Keizo Amagami, Yoshio Ogino 1984-05-01
4396818 Thyristor off-time controlled induction heating apparatus by differentiated thyristor anode potential Hideyuki Kominami, Yoshio Ogino, Takao Kobayashi 1983-08-02
4356371 Small load detection by comparison between input and output parameters of an induction heat cooking apparatus Mitsuyuki Kiuchi, Hideyuki Kominami, Kenji Hattori 1982-10-26
4317975 Induction heating apparatus with means for detecting zero crossing point of high-frequency oscillation to determine triggering time Keizo Amagami, Mitsuyuki Kiuchi, Hirokazu Yoshida, Tatsuo Saka 1982-03-02
4281378 Frequency inverter Yoshio Ogino, Hirokazu Yoshida 1981-07-28
4234917 Commutation failure detection and restoration for SCR frequency converters Yoshiaki Suzuki, Junichi Nakakuki, Yoshio Ogino 1980-11-18