Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Robin DeFay — 8 Patents

ZLZipbuds, Llc.: 8 patents #1 of 4Top 25%
Poway, CA: #226 of 1,186 inventorsTop 20%
California: #73,997 of 386,348 inventorsTop 20%
Overall (All Time): #647,423 of 4,157,543Top 20%
8 Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
8975514 Cable organization assemblies Erik Groset, Justin Liu, Michael Klasco 2015-03-10
D684559 Zippered headphone Erik Groset, Justin Liu, Michael Klasco 2013-06-18
D684137 Zippered headphone Erik Groset, Justin Liu, Michael Klasco 2013-06-11
D684138 Zippered headphone Erik Groset, Justin Liu, Michael Klasco 2013-06-11
8455758 Cable organization assemblies Erik Groset, Justin Liu, Michael Klasco 2013-06-04
8265319 Expandable speaker assemblies for portable media devices Erik Groset 2012-09-11
8121329 Expandable speaker assemblies for portable media devices Erik Groset 2012-02-21
D652407 Zippered earphones Erik Groset, Justin Liu, Michael Klasco 2012-01-17