SM

Sachio Matsuo

SI Sumitomo Metal Industries: 2 patents #334 of 1,462Top 25%
NC Nippon Oil & Fats Co.: 1 patents #173 of 409Top 45%
Overall (All Time): #2,311,361 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5141822 Precoated steel sheet having improved corrosion resistance and formability Toshiaki Shiota, Maki Itoh, Hideo Kawaguchi, Hiroki Hanabata, Yukihiro Yoshikawa +2 more 1992-08-25
4432851 Electrodeposition of lubricative coating Tadashi Sakane, Ryoichi Noumi, Shinji Fujiwara, Hiroshi Fukudome, Rikizo Kobashi +2 more 1984-02-21