Inventor
SASAYAMA HIROHARU
JP4 patents
Patents
4 patentsUS4740404AApr 26, 1988
Waterstop
KASEI CO C I71 citations92
US4155957AMay 22, 1979
Process for the production of self-swelling leakage-preventing materials
KASEI CO C I28 citations78
US4756952AJul 12, 1988
Water-swellable caulking material for water-leakage prevention
KASEI CO C I12 citations72
US4211851AJul 8, 1980
Process for the preparation of self-swelling leakage-preventing materials
KASEI CO C I16 citations70