Inventor
NAKAGAWA TSUGUHIKO
JP11 patents
⚠️ This page may combine multiple inventors who share the name “NAKAGAWA TSUGUHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KAWASAKI STEEL CO
10 patentsUS6007761ADec 28, 1999
Heat treating furnace for a continously supplied metal strip
KAWASAKI STEEL CO20 citations86
US5372654ADec 13, 1994
Steel sheet for press working that exhibits excellent stiffness and satisfactory press workability
KAWASAKI STEEL CO7 citations73
US5332453AJul 26, 1994
High tensile steel sheet having excellent stretch flanging formability
KAWASAKI STEEL CO13 citations73
US5957684ASep 28, 1999
Heating method and apparatus
KAWASAKI STEEL CO8 citations72
US5700420ADec 23, 1997
Non-oxidizing heating method and apparatus
KAWASAKI STEEL CO16 citations70
US5192485AMar 9, 1993
Continuous annealing line having carburizing/nitriding furnace
KAWASAKI STEEL CO13 citations69
US6074493AJun 13, 2000
Method of continuously carburizing metal strip
KAWASAKI STEEL CO8 citations67
US5520534AMay 28, 1996
Heating apparatus including plurality of regenerative burner units and operating method
KAWASAKI STEEL CO18 citations66
US6238208B1May 29, 2001
Method and apparatus for cooling furnace
KAWASAKI STEEL CO4 citations62
US5382302AJan 17, 1995
Method of producing a high tensile steel sheet having excellent stretch flanging formability
KAWASAKI STEEL CO2 citations62