Inventor

KATAYAMA HIDENORI

JP2 patents

Patents

2 patents

US5176869AJan 5, 1993

Method of manufacturing an inner lined pipe

NIPPON CATALYTIC CHEM IND18 citations69

US5098628AMar 24, 1992

Centrifugal molding method for composite pipe having a resin concrete layer

NIPPON CATALYTIC CHEM IND7 citations69