Inventor
MINAGI TAKUSHI
JP5 patents
Patents
5 patentsUS7530270B2May 12, 2009
Inspection method and inspection apparatus of reinforced concrete pipe
SEKISUI CHEMICAL CO LTD36 citations93
US7426879B2Sep 23, 2008
Inspection method and inspection apparatus of reinforced concrete pipe
SEKISUI CHEMICAL CO LTD38 citations93
US7360462B2Apr 22, 2008
Method and equipment for inspecting reinforced concrete pipe
SEKISUI CHEMICAL CO LTD37 citations93
US7690258B2Apr 6, 2010
Buried pipe examining method
SEKISUI CHEMICAL CO LTD37 citations87
US8347477B2Jan 8, 2013
Pipe producing apparatus and existing pipe rehabilitating method employing the same
SEKISUI CHEMICAL CO LTD7 citations79