Assignee
LIU YU-YIN
2 granted patents·3 pending applications·17 citations·filing 2005–2009
Technology mixB43K5
Top patents by PatentIndex Score
5 records- 0186US7220012B2Illuminating clip for penLIU YU-YIN·Filed 2005·Granted May 22, 2007·11 cites·4 claims
- 0276US8087841B2Retractable pen with retraction-linking device for extending pen-bodyLIU YU-YIN·Filed 2009·Granted Jan 3, 2012·6 cites·7 claims
- 0356US2010322696A1Pen with window for display of patternLIU YU-YIN·Filed 2009·Application pending·0 cites
- 0456US2011129285A1Retractable penLIU YU-YIN·Filed 2009·Application pending·0 cites
- 0554US2011103877A1Pen with Rotating OrnamentsLIU YU-YIN·Filed 2008·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →