Assignee
21 TWO ONE CO LTD
JP·3 granted patents·11 citations·filing 2003–2008
Technology mixG02C3
Top patents by PatentIndex Score
3 records- 0155US7131726B2Spectacle frame and lens hanger21 TWO ONE CO LTD·Filed 2005·Granted Nov 7, 2006·5 cites·12 claims
- 0246US6767096B2Eyeglass with connection structure for rimless eyeglass and screwless hinge21 TWO ONE CO LTD·Filed 2003·Granted Jul 27, 2004·6 cites·27 claims
- 0338US7905592B2Rimless eyeglasses21 TWO ONE CO LTD·Filed 2008·Granted Mar 15, 2011·0 cites·6 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →