Assignee
DUPLO SEIZO KK
JP·6 granted patents·38 citations·filing 1983–1987
Top patents by PatentIndex Score
6 records- 0159US4647029APaper sheet folding deviceDUPLO SEIZO KK·Filed 1985·Granted Mar 3, 1987·16 cites·16 claims
- 0248US4552353ADouble-feed prevention device in paper feeding apparatusDUPLO SEIZO KK·Filed 1983·Granted Nov 12, 1985·8 cites·8 claims
- 0347US4588181ADouble-feed prevention device in paper feeding apparatusDUPLO SEIZO KK·Filed 1984·Granted May 13, 1986·9 cites·9 claims
- 0430US4776580ADrive mechanism for paper delivery rollers in an elevator-type sorterDUPLO SEIZO KK·Filed 1987·Granted Oct 11, 1988·4 cites·3 claims
- 0523US4772010AGuide mechanism for paper sheets in an elevator type sorterDUPLO SEIZO KK·Filed 1987·Granted Sep 20, 1988·1 cites·1 claims
- 0622US4749091AShelf plate adapted for mounting on an office machineDUPLO SEIZO KK·Filed 1987·Granted Jun 7, 1988·0 cites·3 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →