Assignee
CHANG CHUN YUAN
24 granted patents·21 pending applications·294 citations·filing 1998–2014
Top patents by PatentIndex Score
45 records- 0196US7758009B1Full folding/unfolding book stand and copy holderCHANG CHUN-YUAN·Filed 2009·Granted Jul 20, 2010·48 cites·3 claims
- 0288US8496210B2Electronic apparatus carrying deviceCHANG CHUN-YUAN·Filed 2011·Granted Jul 30, 2013·10 cites·9 claims
- 0386US6973809B2Number lock device for computerCHANG CHUN-YUAN·Filed 2003·Granted Dec 13, 2005·43 cites·17 claims
- 0484USD428927SClip board and case combinationCHANG CHUN YUAN·Filed 1999·Granted Aug 1, 2000·27 cites·1 claims
- 0581US7819045B2Hole punch structureCHANG CHUN-YUAN·Filed 2007·Granted Oct 26, 2010·5 cites·3 claims
- 0679US8517196B2Positioning structure for a clipboardCHANG CHUN YUAN·Filed 2011·Granted Aug 27, 2013·7 cites·2 claims
- 0779USD554456SStaplerCHANG CHUN-YUAN·Filed 2006·Granted Nov 6, 2007·24 cites·1 claims
- 0876USD580990SClipboardCHANG CHUN-YUAN·Filed 2007·Granted Nov 18, 2008·21 cites·1 claims
- 0972US6959901B2Rotatable book or file holder deviceCHANG CHUN YUAN·Filed 2003·Granted Nov 1, 2005·10 cites·8 claims
- 1072USD413502SHolder for a welding torch or a glue gunCHANG CHUN YUAN·Filed 1998·Granted Sep 7, 1999·17 cites·1 claims
- 1169US2011155617A1Document boxCHANG CHUN YUAN·Filed 2009·Application pending·0 cites
- 1268US8579246B2Angle adjusting standCHANG CHUN YUAN·Filed 2011·Granted Nov 12, 2013·5 cites·5 claims
- 1366US7240819B2Stapling device having rear housing openingCHANG CHUN YUAN·Filed 2006·Granted Jul 10, 2007·8 cites·8 claims
- 1465US8973477B2Paper cutting machineCHANG CHUN YUAN·Filed 2013·Granted Mar 10, 2015·2 cites·10 claims
- 1564USD434804SShelf device for stationery goodsCHANG CHUN YUAN·Filed 1999·Granted Dec 5, 2000·12 cites·1 claims
- 1663US9161100B2Cable tidying deviceCHANG CHUN-YUAN·Filed 2012·Granted Oct 13, 2015·4 cites·18 claims
- 1762US8431056B2Method for manufacturing plastic articleCHANG CHUN-YUAN·Filed 2010·Granted Apr 30, 2013·1 cites·4 claims
- 1862USD533756SStaplerCHANG CHUN-YUAN·Filed 2006·Granted Dec 19, 2006·12 cites·1 claims
- 1962US7014090B1Stapling deviceCHANG CHUN YUAN·Filed 2004·Granted Mar 21, 2006·14 cites·9 claims
- 2062US2010078400A1Quick-assembly laminating file trayCHANG CHUN-YUAN·Filed 2008·Application pending·0 cites
- 2159USD434802SBox for stationery goodsCHANG CHUN YUAN·Filed 1999·Granted Dec 5, 2000·10 cites·1 claims
- 2259US2008266835A1Folder with detachable illumination deviceCHANG CHUN YUAN·Filed 2007·Application pending·0 cites
- 2355US7669745B2Dual protective device of a heavy-duty staplerCHANG CHUN-YUAN·Filed 2008·Granted Mar 2, 2010·2 cites·4 claims
- 2454USD603171SBookstandCHANG CHUN-YUAN·Filed 2009·Granted Nov 3, 2009·8 cites·1 claims
- 2553US2014318343A1Punching MachineCHANG CHUN YUAN·Filed 2013·Application pending·0 cites
- 2650US8668860B2Plastic article and method of manufacturing the sameCHANG CHUN-YUAN·Filed 2010·Granted Mar 11, 2014·0 cites·9 claims
- 2750US8609010B2Molding method providing micro-structures and articles molded by the methodCHANG CHUN-YUAN·Filed 2010·Granted Dec 17, 2013·0 cites·6 claims
- 2849US2009060629A1Portable and hangable document file folderCHANG CHUN YUAN·Filed 2007·Application pending·0 cites
- 2948US2009065548A1Stapling deviceCHANG CHUN YUAN·Filed 2008·Application pending·0 cites
- 3048US2015258840A1Positioning structure for a clipboardCHANG CHUN YUAN·Filed 2014·Application pending·0 cites
- 3148US2008308598A1Stapling deviceCHANG CHUN YUAN·Filed 2008·Application pending·0 cites
- 3247US2015239143A1Punching machineCHANG CHUN YUAN·Filed 2014·Application pending·0 cites
- 3347US2009218382A1Sheathing device for the staple channel of staplerCHANG CHUN-YUAN·Filed 2008·Application pending·0 cites
- 3446US2007241579A1File carrying deviceCHANG CHUN-YUAN·Filed 2006·Application pending·0 cites
- 3546US2010253939A1Industrial LaparoscopeCHANG CHUN-YUAN·Filed 2009·Application pending·0 cites
- 3646US2012024931A1Saddle staplerCHANG CHUN YUAN·Filed 2010·Application pending·0 cites
- 3745US2008061106A1Stapler having a force balance effectCHANG CHUN-YUAN·Filed 2006·Application pending·0 cites
- 3845US2012080581A1Rotary reading standCHANG CHUN YUAN·Filed 2010·Application pending·0 cites
- 3944US2007187451A1Pliers type staplerCHANG CHUN-YUAN·Filed 2006·Application pending·0 cites
- 4044US2007187450A1Pliers type staplerCHANG CHUN-YUAN·Filed 2006·Application pending·0 cites
- 4143US2013164073A1Movable buckle device of a file boxCHANG CHUN YUAN·Filed 2011·Application pending·0 cites
- 4243US2013129404A1Two-way moving structure of a file folderCHANG CHUN YUAN·Filed 2011·Application pending·0 cites
- 4342US2012301211A1Two-way moving structure of a paper folderCHANG CHUN YUAN·Filed 2011·Application pending·0 cites
- 4441USD518780SSocket assemblyCHANG CHUN YUAN·Filed 2003·Granted Apr 11, 2006·4 cites·1 claims
- 4540US2007101848A1Corner trimming deviceCHANG CHUN-YUAN·Filed 2005·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →