WT

Wada Toshiaki

DK Denki Kagaku Kogyo: 1 patents #291 of 655Top 45%
SC Sumitomo Special Metals Co.: 1 patents #136 of 262Top 55%
Overall (All Time): #3,815,784 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5181151 Thin-film perpendicular magnetic recording and reproducing head having thin magnetic shield film on side surfaces Masami Yamashita, Noboru Iwato, Hideki Mine 1993-01-19