Inventor
TAKAMURA TOSHIHIRO
8 patents
Patents
8 patentsUS4145594AMar 20, 1979
Method for longitudinally seam-welding pipe-bland for welded steel pipe from inside along groove
NIPPON KOKAN KK15 citations72
US5653899AAug 5, 1997
Method of making a steel pipe by electric resistance heating of opposing edges of a sheet prior to laser welding
NIPPON KOKAN KK11 citations68
US5350561ASep 27, 1994
Cr-Mo steel pipe and welding method thereof
NIPPON KOKAN KK13 citations68
US5348701ASep 20, 1994
Vibration-damping alloy
NIPPON KOKAN KK7 citations68
US5431748AJul 11, 1995
Electric-resistance-welded steel pipe with high strength
NIPPON KOKAN KK3 citations58
US5286309AFeb 15, 1994
Electric-resistance-welded steel pipe with high strength
NIPPON KOKAN KK3 citations58
US5330706AJul 19, 1994
Vibration-damping alloy of high strength
NIPPON KOKAN KK2 citations57
US5435858AJul 25, 1995
Method for TIG welding 1.25 Cr-0.5Mo steel pipe for which preheating and postheating treatments can be effectively omitted
NIPPON KOKAN KK0 citations46