SO

Susumu Ohtsuka

HI Hitachi: 4 patents #8,942 of 28,497Top 35%
NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%
📍 Ibaraki, JP: #1,893 of 6,779 inventorsTop 30%
Overall (All Time): #1,055,790 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5560857 Solution for cleaning silicon semiconductors and silicon oxides Tadashi Sakon, Kenichi Uemura, Yoshihiro Mori, Kengo Shimanoe, Shuji Munehira 1996-10-01
5272576 Magnetic recording and reproducing apparatus with recording inhibition operation 1993-12-21
5260843 Magnetic recording and reproducing apparatus with individual correction of amplitude variations of recording currents supplied to plural rotary magnetic heads Tomishige Yatsugi, Yoshitaka Okada 1993-11-09
5253127 Video tape recorder having a special demagnetizing function Yukihiko Ozaki, Eiji Moro, Takeo Ohkouchi 1993-10-12
5121266 Magnetic recording/reproducing apparatus Yoichi Ito, Fumihiko Yamanushi, Atsushi Yoshioka 1992-06-09