Inventor

OTSUKA MORIHISA

JP3 patents

Patents

3 patents

US7568676B2Aug 4, 2009

Form panel for placing concrete

FUKUVI CHEM IND CO8 citations73

US4016727AApr 12, 1977

Drain trough member and its connector

FUKUVI CHEM IND CO29 citations73

US6069098AMay 30, 2000

Mortar substrate sheet

FUKUVI CHEM IND CO4 citations57