Inventor
KAJIYAMA MASASHI
JP3 patents
Patents
3 patentsUS6109660AAug 29, 2000
Connecting structure of externally resin-coated small-diameter metallic pipe
USUI KOKUSAI SANGYO KK54 citations94
US4853297AAug 1, 1989
Multilayer coated corrosion resistant metal pipe
USUI KOKUSAI SANGYO KK71 citations93
US6041827AMar 28, 2000
Multi-layered metallic pipe and method of coating the metallic pipe
USUI KOKUSAI SANGYO KK26 citations90