HY

Hirokazu Yoshida

Sharp Kabushiki Kaisha: 13 patents #1,272 of 10,731Top 15%
TC Teiryo Sangyo Co.: 6 patents #1 of 1Top 100%
Sumitomo Electric Industries: 4 patents #6,367 of 21,551Top 30%
HC Hitachi Koki Co.: 4 patents #273 of 888Top 35%
SO Sony: 4 patents #8,966 of 25,231Top 40%
FC Furukawa Electric Co.: 4 patents #473 of 2,370Top 20%
NE Nec: 3 patents #4,195 of 14,502Top 30%
AC Akebono Brake Industry Co.: 3 patents #83 of 376Top 25%
OC Otari Electric Co.: 2 patents #3 of 19Top 20%
NI Nirec: 1 patents #17 of 58Top 30%
NK Nippon Kayaku: 1 patents #556 of 1,103Top 55%
SD Showa Denko: 1 patents #231 of 593Top 40%
NC Nippon Bee Chemical Co.: 1 patents #19 of 66Top 30%
Nichia: 1 patents #1,005 of 1,531Top 70%
TC Tohoku Techno Arch Co.: 1 patents #52 of 193Top 30%
YM Yamazaki Mazak: 1 patents #130 of 272Top 50%
MI Minolta: 1 patents #729 of 1,109Top 70%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
📍 Kagoshima, JP: #3 of 469 inventorsTop 1%
Overall (All Time): #49,441 of 4,157,543Top 2%
53
Patents All Time

Issued Patents All Time

Showing 51–53 of 53 patents

Patent #TitleCo-InventorsDate
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