YY

Yoshikazu Yamanaka

NS Nippon Steel & Sumikin Coated Sheet: 1 patents #11 of 34Top 35%
NM Nippon Steel & Sumitomo Metal: 1 patents #786 of 1,491Top 55%
SI Sumitomo Metal Industries: 1 patents #630 of 1,462Top 45%
Overall (All Time): #2,032,471 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9080231 Hot-dipped steel and method of producing same Shiro Fujii, Nobuki Shiragaki, Hiroshi Kanai, Nobuyuki Shimoda, Yasuhide Morimoto +2 more 2015-07-14
5236574 Electroplating of hot-galvanized steel sheet and continuous plating line therefor Kazuhide Oshima, Hisakazu Morino, Tomio Kondo, Yasuo Shimada, Tadashi Nonaka +3 more 1993-08-17