Inventor
ARAI TETSUZO
JP7 patents
⚠️ This page may combine multiple inventors who share the name “ARAI TETSUZO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO METAL IND
6 patentsUS4893658AJan 16, 1990
FRP pipe with threaded ends
SUMITOMO METAL IND256 citations96
US4871194AOct 3, 1989
Oil well pipe joint and manufacturing method therefor
SUMITOMO METAL IND36 citations90
US4142555AMar 6, 1979
Corrosion preventive, coated metal pipe
SUMITOMO METAL IND27 citations79
US5069929ADec 3, 1991
Actinic radiation-curable rust-preventive coating compositions for steel products
SUMITOMO METAL IND15 citations70
US5279864AJan 18, 1994
Radiation curable primer coating compositions
SUMITOMO METAL IND12 citations68
US4500577AFeb 19, 1985
Metal pipe coated with thermoplastic synthetic resin
SUMITOMO METAL IND18 citations64