Assignee
WU TSUN-ZONG
TW·14 granted patents·3 pending applications·169 citations·filing 1988–2017
Top patents by PatentIndex Score
17 records- 0183US7204261B1Lower nest structure of collapsible umbrellaWU TSUN-ZONG·Filed 2005·Granted Apr 17, 2007·13 cites·3 claims
- 0280US9844250B1Anti-turning umbrella frameWU TSUN-ZONG·Filed 2017·Granted Dec 19, 2017·7 cites·10 claims
- 0377US9115826B2Cable fastener with cable management functionWU TSUN-ZONG·Filed 2013·Granted Aug 25, 2015·5 cites·10 claims
- 0474US7509965B2Ventilated umbrellaWU TSUN-ZONG·Filed 2006·Granted Mar 31, 2009·5 cites·3 claims
- 0566US8225805B2Protective member for automatic open close umbrella with anti-springing effectWU TSUN-ZONG·Filed 2010·Granted Jul 24, 2012·5 cites·10 claims
- 0663US7011100B2Skeleton for ear-shaped umbrellaWU TSUN-ZONG·Filed 2003·Granted Mar 14, 2006·5 cites·12 claims
- 0760US7328714B2Tangle-free umbrella grip adapted for hanging to a closed itemWU TSUN-ZONG·Filed 2004·Granted Feb 12, 2008·1 cites·4 claims
- 0859US2006144432A1Easily openable and collapsible folding umbrella having further reduced collapsed volumeWU TSUN-ZONG·Filed 2004·Application pending·0 cites
- 0958US4838290ASlimly-folded umbrella having extendible brim portionWU TSUN ZONG·Filed 1988·Granted Jun 13, 1989·23 cites·7 claims
- 1057US2005229960A1Umbrella handle adapted for hanging to a closed itemWU TSUN-ZONG·Filed 2004·Application pending·0 cites
- 1156US4986294AAutomatic umbrella having smoothly-operating springsWU TSUN ZONG·Filed 1990·Granted Jan 22, 1991·27 cites·5 claims
- 1255US4941494ALightly-operating automatic umbrella for preventing false operationWU TSUN ZONG·Filed 1989·Granted Jul 17, 1990·20 cites·9 claims
- 1354US4989625AStably-retained automatic umbrellaWU TSUN ZONG·Filed 1990·Granted Feb 5, 1991·24 cites·5 claims
- 1452US2015068568A1Opening spring for multiple fold automatic open-close unbrellaWU TSUN-ZONG·Filed 2013·Application pending·0 cites
- 1551US4936332ASimply-constructed automatic umbrella for preventing false operationWU TSUN ZONG·Filed 1989·Granted Jun 26, 1990·17 cites·4 claims
- 1641US5060684AAutomatic umbrella foldably retained by tip capWU TSUN ZONG·Filed 1990·Granted Oct 29, 1991·11 cites·5 claims
- 1732US5125426AAutomatically closing umbrellaWU TSUN ZONG·Filed 1991·Granted Jun 30, 1992·6 cites·1 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →