Inventor · disambiguated record
Seiji Katashima
Also filed as: KATASHIMA SEIJI
4 granted patents·20 citations·filing 1983–1985
71Inventor score
Technology areasB22C
Top patents by PatentIndex Score
4 records- 0139US4559989AEntirely automatic, cold box type machine for molding an integral connecting coreNANIWA PRODUCTS CO·Filed 1983·Granted Dec 24, 1985·9 cites·4 claims
- 0238US4572273ABlow plate and/or blow nozzle automatic cleaning deviceNANIWA PRODUCTS CO LTD·Filed 1983·Granted Feb 25, 1986·8 cites·4 claims
- 0329US4637450AEntirely automatic, cold box type machine for molding an integral connecting coreNANIWA PRODUCTS CO LTD·Filed 1985·Granted Jan 20, 1987·2 cites·4 claims
- 0426US4660709AEntirely automatic, cold box type machine for molding an integral connecting coreNANIWA PRODUCTS CO LTD·Filed 1985·Granted Apr 28, 1987·1 cites·1 claims
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