Assignee
PIONEER IND CORP
TW·11 granted patents·294 citations·filing 1987–2000
Top patents by PatentIndex Score
11 records- 0189US6149330ABuilding blocks type writing instrumentPIONEER IND CORP·Filed 1999·Granted Nov 21, 2000·46 cites·15 claims
- 0289US5044804AWriting instrumentPIONEER IND CORP·Filed 1989·Granted Sep 3, 1991·62 cites·3 claims
- 0382USD394876SCombined refillable eraser tips and holder thereforPIONEER IND CORP·Filed 1997·Granted Jun 2, 1998·28 cites·1 claims
- 0478US5221152AWriting instrument with capPIONEER IND CORP·Filed 1992·Granted Jun 22, 1993·41 cites·4 claims
- 0578USD317324SCap for writing toolsPIONEER IND CORP·Filed 1988·Granted Jun 4, 1991·23 cites·1 claims
- 0676USD305245SCap for writing toolsPIONEER IND CORP·Filed 1987·Granted Dec 26, 1989·21 cites·1 claims
- 0771US6161976AAutomatic writing apparatus for segmental writing elements with capsPIONEER IND CORP·Filed 1999·Granted Dec 19, 2000·21 cites·16 claims
- 0869USD305777SWriting instrument holderPIONEER IND CORP·Filed 1987·Granted Jan 30, 1990·20 cites·1 claims
- 0958USD446245SPen capPIONEER IND CORP·Filed 2000·Granted Aug 7, 2001·11 cites·1 claims
- 1054USD436997SPen capPIONEER IND CORP·Filed 2000·Granted Jan 30, 2001·9 cites·1 claims
- 1153US5984550AWriting devicePIONEER IND CORP·Filed 1996·Granted Nov 16, 1999·12 cites·6 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →