Inventor · disambiguated record
Jung-Jen Chang
Also filed as: CHANG JUNG-JEN
56 granted patents·10 pending applications·1,398 citations·filing 1993–2006
99Inventor score
Top patents by PatentIndex Score
66 records- 0195US6571813B2Upwardly and downwardly actuated safety runner for foldable umbrellaFU TAI UMBRELLA WORKS LTD·Filed 2001·Granted Jun 3, 2003·63 cites·2 claims
- 0294US6418949B1Multiple-fold umbrella shaft having telescopic tubes outwardly decreased in concave quadrantsFU TAI UMBRELLA WORKS LTD·Filed 2000·Granted Jul 16, 2002·63 cites·1 claims
- 0393US6371141B1Safety umbrella runner ergonomically operated by sliding push buttonFU TAI UMBRELLA WORKS LTD·Filed 2000·Granted Apr 16, 2002·53 cites·6 claims
- 0492US7089950B2Umbrella operatively closed by directly pulling runner downwardly along a guiding sleeveFU TAI UMBRELLA WORKS LTD·Filed 2004·Granted Aug 15, 2006·48 cites·13 claims
- 0587US6612320B2Economic double-story umbrella as conveniently anchoredFU TAI UMBRELLA WORKS LTD·Filed 2001·Granted Sep 2, 2003·38 cites·6 claims
- 0687US6497242B1Multiple-fold umbrella rib assembly having inner ribs of aluminum alloy and outer ribs of carbon-fiber-reinforced plasticsFU TAI UMBRELLA WORKS LTD·Filed 2000·Granted Dec 24, 2002·34 cites·1 claims
- 0786US6360759B1Multiple-fold automatic umbrella with penta-fold ropeFU TAI UMBRELLA WORKS LTD·Filed 2000·Granted Mar 26, 2002·34 cites·3 claims
- 0883US6390107B1Double-story umbrellaFU TAI UMBRELLA WORKS LTD·Filed 2000·Granted May 21, 2002·25 cites·20 claims
- 0980US6810895B2Umbrella having safety runner and strength-enhanced shaft tubeFU TAI UMBRELLA WORKS LTD·Filed 2002·Granted Nov 2, 2004·21 cites·7 claims
- 1080US6626199B2Flattened and shortened umbrellaFU TAI UMBRELLA WORKS LTD·Filed 2001·Granted Sep 30, 2003·20 cites·7 claims
- 1178US6810890B2Obstruction-free golf bag umbrellaFU TAI UMBRELLA WORKS LTD·Filed 2002·Granted Nov 2, 2004·21 cites·2 claims
- 1276US6668845B2Multiple-fold automatic umbrella as ergonomically constructed and manipulatedFU TAI UMBRELLA WORKS LTD·Filed 2001·Granted Dec 30, 2003·18 cites·5 claims
- 1376US6302125B1Simplified flat top umbrella with one-piece umbrella clothFU TAI UMBRELLA WORKS LTD·Filed 2000·Granted Oct 16, 2001·17 cites·1 claims
- 1475US7591274B2Economically constructed and environmentally protective umbrella formed with one-piece frameFU TAI UMBREALLA WORKS LTD·Filed 2006·Granted Sep 22, 2009·9 cites·1 claims
- 1575US7255119B2Slim safety runner and multiple-fold umbrella thereofFU TAI UMBRELLA WORKS LTD·Filed 2005·Granted Aug 14, 2007·5 cites·6 claims
- 1674US6095169AAutomatic umbrella having rib assembly formed with light grooved rib reinforced resilient ribFU TAI UMBRELLA WORKS LTD·Filed 1998·Granted Aug 1, 2000·56 cites·8 claims
- 1773US6752509B1Illuminating umbrella grip detachably mounted with cassette LED illuminating unitFU TAI UMBRELLA WORKS LTD·Filed 2002·Granted Jun 22, 2004·14 cites·5 claims
- 1873US5740823ALightening safety automatic umbrellaFU TAI UMBRELLA WORKS LTD·Filed 1997·Granted Apr 21, 1998·54 cites·1 claims
- 1971US6296001B1Rib assembly for multiple-fold umbrella having plastic intermediate rib interconnected among light ribsFU TAI UMBRELLA WORKS LTD·Filed 2000·Granted Oct 2, 2001·13 cites·8 claims
- 2070US7287538B2Illuminating umbrella gripFU TAI UMBRELLA WORKS LTD·Filed 2004·Granted Oct 30, 2007·11 cites·4 claims
- 2168US6817371B2Multiple-fold automatic umbrella with smoothly wound multiple-fold ropeFU TAI UMBRELLA WORKS LTD·Filed 2003·Granted Nov 16, 2004·9 cites·3 claims
- 2268US6626197B2Multiple-fold automatic umbrella with smoothly wound multiple-ropeFU TAI UMBRELLA WORKS LTD·Filed 2001·Granted Sep 30, 2003·9 cites·1 claims
- 2368US6216712B1Catch-free safety umbrellaFU TAI UMBRELLA WORKS LTD·Filed 1999·Granted Apr 17, 2001·41 cites·10 claims
- 2468US6186157B1Windproof umbrella having compact folded structureFU TAI UMBRELLA WORKS LTD·Filed 1999·Granted Feb 13, 2001·40 cites·15 claims
- 2567US6736151B2Anti-windforce rib assembly of multiple-fold umbrellaFU TAI UMBRELLA WORKS LTD·Filed 2002·Granted May 18, 2004·10 cites·8 claims
- 2666US5492140AMultiple-fold automatic umbrella with simplified gripFU TAI UMBRELLA WORKS LTD·Filed 1995·Granted Feb 20, 1996·40 cites·2 claims
- 2766US5390686AMultiple-fold automatic umbrellaFiled 1993·Granted Feb 21, 1995·33 cites·6 claims
- 2865US6390108B1Economic double-story umbrellaFU TAI UMBRELLA WORKS LTD·Filed 2001·Granted May 21, 2002·8 cites·8 claims
- 2965US6112755AAutomatic penta-fold umbrellaFU TAI UMBRELLA WORKS LTD·Filed 1998·Granted Sep 5, 2000·38 cites·12 claims
- 3065US5441065AMultiple-fold automatic umbrella for safe operationFU TAI UMBRELLA WORKS LTD·Filed 1995·Granted Aug 15, 1995·33 cites·12 claims
- 3164US6058952ASimplified flat top umbrellaFU TAI UMBRELLA WORKS LTD·Filed 1998·Granted May 9, 2000·34 cites·8 claims
- 3263US6016822AAutomatic umbrella with quadruple folds or the likeFU TAI UMBRELLA WORKS LTD·Filed 1998·Granted Jan 25, 2000·41 cites·12 claims
- 3361US6039063AMultiple-fold windproof umbrella for preventing sagging of umbrella clothFU TAI UMBRELLA WORKS LTD·Filed 1999·Granted Mar 21, 2000·30 cites·4 claims
- 3460US5791359ALightening multiple-fold automatic umbrellaFU TAI UMBRELLA WORKS LTD·Filed 1997·Granted Aug 11, 1998·30 cites·1 claims
- 3560US5720311ATelescopic umbrella shaft means with concave hexagonal sidesFU TAI UMBRELLA WORKS LTD·Filed 1997·Granted Feb 24, 1998·28 cites·2 claims
- 3659US2008121255A1Umbrella having canopy as neatly opened or foldedFU TAI UMBRELLA WORKS LTD·Filed 2006·Application pending·0 cites
- 3758US6126291AUmbrella having detachable illuminative gripFU TAI UMBRELLA WORKS LTD·Filed 1998·Granted Oct 3, 2000·31 cites·1 claims
- 3858US5505222AMultiple-fold automatic umbrella with simplified control meansFU TAI UMBRELLA WORKS LTD·Filed 1995·Granted Apr 9, 1996·28 cites·9 claims
- 3958US2007261728A1Umbrella for reliably adjusting dome orientationFU TAI UMBRELLA WORKS LTD·Filed 2006·Application pending·0 cites
- 4058US2008000510A1Slimmed rib assembly for multiple-fold umbrellaFU TAI UMBRELLA WORKS LTD·Filed 2006·Application pending·0 cites
- 4157US6006770AReliably controllable windproof umbrellaFU TAI UMBRELLA WORKS LTD·Filed 1999·Granted Dec 28, 1999·21 cites·3 claims
- 4257US2007095373A1Pocketable folding umbrella as maximally flattenedFU TAI UMBRELLA WORKS LTD·Filed 2005·Application pending·0 cites
- 4357US2005217711A1Super-shortened multiple-fold umbrella shaftFU TAI UMBRELLA WORKS LTD·Filed 2004·Application pending·0 cites
- 4456US2005103369A1Multiple-fold umbrella as quickly opened and closedFU TAI UMBRELLA WORKS LTD·Filed 2003·Application pending·0 cites
- 4555US6095171AMultiple-fold windproof umbrella with compact restoring mechanismFU TAI UMBRELLA WORKS LTD·Filed 1998·Granted Aug 1, 2000·23 cites·6 claims
- 4655US2006285313A1Miniaturized illuminating umbrella gripFU TAI UMBRELLA WORKS LTD·Filed 2005·Application pending·0 cites
- 4754US6024109AReliably controllable windproof umbrellaFU TAI UMBRELLA WORKS LTD·Filed 1998·Granted Feb 15, 2000·18 cites·11 claims
- 4854US5626161AMultiple-fold automatic umbrella with simplified reliable control meansFU TAI UMBRELLA WORKS LTD·Filed 1996·Granted May 6, 1997·23 cites·2 claims
- 4954US2006151020A1Super-shortened multiple-fold umbrellaFU TAI UMBRELLA WORKS LTD·Filed 2005·Application pending·0 cites
- 5053US5615697APocketable folding umbrella with foldably sandwiched ribsFU TAI UMBRELLA WORKS LTD·Filed 1996·Granted Apr 1, 1997·20 cites·9 claims
Showing the top 50 of 66 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →