Inventor · disambiguated record
Chun Yuan Chang
Also filed as: CHANG CHUN Y · CHANG CHUN YUAN
54 granted patents·39 pending applications·743 citations·filing 1994–2014
98Inventor score
Top patents by PatentIndex Score
93 records- 0196US7758009B1Full folding/unfolding book stand and copy holderCHANG CHUN-YUAN·Filed 2009·Granted Jul 20, 2010·48 cites·3 claims
- 0290US6637082B1Quick holderFiled 2002·Granted Oct 28, 2003·48 cites·10 claims
- 0389US6742223B1Clamping device for storing bundled itemsFiled 2003·Granted Jun 1, 2004·42 cites·5 claims
- 0488US8496210B2Electronic apparatus carrying deviceCHANG CHUN-YUAN·Filed 2011·Granted Jul 30, 2013·10 cites·9 claims
- 0588US5469961ACombined minidisc boxFiled 1994·Granted Nov 28, 1995·57 cites·1 claims
- 0686US6973809B2Number lock device for computerCHANG CHUN-YUAN·Filed 2003·Granted Dec 13, 2005·43 cites·17 claims
- 0786USD503430SClip for pensFiled 2004·Granted Mar 29, 2005·31 cites·1 claims
- 0885US7641845B2Method for manufacturing a foil decorated moldingHON HAI PREC IND CO LTD·Filed 2007·Granted Jan 5, 2010·8 cites·12 claims
- 0984USD479273SDesk trayFiled 2002·Granted Sep 2, 2003·29 cites·1 claims
- 1084US6536244B1Computer security deviceFiled 2000·Granted Mar 25, 2003·41 cites·3 claims
- 1184USD428927SClip board and case combinationCHANG CHUN YUAN·Filed 1999·Granted Aug 1, 2000·27 cites·1 claims
- 1281US7819045B2Hole punch structureCHANG CHUN-YUAN·Filed 2007·Granted Oct 26, 2010·5 cites·3 claims
- 1379US8517196B2Positioning structure for a clipboardCHANG CHUN YUAN·Filed 2011·Granted Aug 27, 2013·7 cites·2 claims
- 1479USD554456SStaplerCHANG CHUN-YUAN·Filed 2006·Granted Nov 6, 2007·24 cites·1 claims
- 1577US6776385B1Adjustable book holderFiled 2003·Granted Aug 17, 2004·35 cites·7 claims
- 1676USD580990SClipboardCHANG CHUN-YUAN·Filed 2007·Granted Nov 18, 2008·21 cites·1 claims
- 1775US6189711B1Support device for stationery goodsFiled 1999·Granted Feb 20, 2001·34 cites·9 claims
- 1872US9179582B2Electronic device with connectors and fasteners for alignment of the connectorsHON HAI PREC IND CO LTD·Filed 2013·Granted Nov 3, 2015·2 cites·10 claims
- 1972US7744363B2Valve device of injection molding deviceHON HAI PREC IND CO LTD·Filed 2007·Granted Jun 29, 2010·2 cites·7 claims
- 2072US6959901B2Rotatable book or file holder deviceCHANG CHUN YUAN·Filed 2003·Granted Nov 1, 2005·10 cites·8 claims
- 2172USD413502SHolder for a welding torch or a glue gunCHANG CHUN YUAN·Filed 1998·Granted Sep 7, 1999·17 cites·1 claims
- 2271US7655178B2Method for elongating foilHON HAI PREC IND CO LTD·Filed 2007·Granted Feb 2, 2010·2 cites·14 claims
- 2371US6736045B2Manually operated corner cutterFiled 2002·Granted May 18, 2004·15 cites·11 claims
- 2469US2011155617A1Document boxCHANG CHUN YUAN·Filed 2009·Application pending·0 cites
- 2568US8579246B2Angle adjusting standCHANG CHUN YUAN·Filed 2011·Granted Nov 12, 2013·5 cites·5 claims
- 2668US6918565B2Adjustable book holder assemblyFiled 2003·Granted Jul 19, 2005·15 cites·12 claims
- 2767US7794226B2Injection molding deviceHON HAI PREC IND CO LTD·Filed 2007·Granted Sep 14, 2010·1 cites·2 claims
- 2867US6427343B1Pencil sharpener having a pencil limiting deviceFiled 2000·Granted Aug 6, 2002·11 cites·7 claims
- 2966US7798803B2Injection molding deviceHON HAI PREC IND CO LTD·Filed 2007·Granted Sep 21, 2010·1 cites·7 claims
- 3066US7240819B2Stapling device having rear housing openingCHANG CHUN YUAN·Filed 2006·Granted Jul 10, 2007·8 cites·8 claims
- 3166US6427851B1Rack having stackable configurationFiled 2001·Granted Aug 6, 2002·14 cites·4 claims
- 3265US8973477B2Paper cutting machineCHANG CHUN YUAN·Filed 2013·Granted Mar 10, 2015·2 cites·10 claims
- 3364USD434804SShelf device for stationery goodsCHANG CHUN YUAN·Filed 1999·Granted Dec 5, 2000·12 cites·1 claims
- 3463US9161100B2Cable tidying deviceCHANG CHUN-YUAN·Filed 2012·Granted Oct 13, 2015·4 cites·18 claims
- 3562US8431056B2Method for manufacturing plastic articleCHANG CHUN-YUAN·Filed 2010·Granted Apr 30, 2013·1 cites·4 claims
- 3662USD533756SStaplerCHANG CHUN-YUAN·Filed 2006·Granted Dec 19, 2006·12 cites·1 claims
- 3762US7014090B1Stapling deviceCHANG CHUN YUAN·Filed 2004·Granted Mar 21, 2006·14 cites·9 claims
- 3862US2010272970A1Fiber material component with 3d surface and method of manufacturing the sameHON HAI PREC IND CO LTD·Filed 2009·Application pending·0 cites
- 3962US2010078400A1Quick-assembly laminating file trayCHANG CHUN-YUAN·Filed 2008·Application pending·0 cites
- 4061USD483204SBook holderFiled 2002·Granted Dec 9, 2003·11 cites·1 claims
- 4159USD434802SBox for stationery goodsCHANG CHUN YUAN·Filed 1999·Granted Dec 5, 2000·10 cites·1 claims
- 4259US2011027541A1Compound material article and method of manufacturing the sameHON HAI PREC IND CO LTD·Filed 2009·Application pending·0 cites
- 4359US2008266835A1Folder with detachable illumination deviceCHANG CHUN YUAN·Filed 2007·Application pending·0 cites
- 4455US7669745B2Dual protective device of a heavy-duty staplerCHANG CHUN-YUAN·Filed 2008·Granted Mar 2, 2010·2 cites·4 claims
- 4555US2010071845A1Method for forming fiber material componentHON HAI PREC IND CO LTD·Filed 2008·Application pending·0 cites
- 4654USD603171SBookstandCHANG CHUN-YUAN·Filed 2009·Granted Nov 3, 2009·8 cites·1 claims
- 4754USD481075SSorterFiled 2002·Granted Oct 21, 2003·8 cites·1 claims
- 4854US2010072663A1In-mold-decoration method for plastic articlesHON HAI PREC IND CO LTD·Filed 2008·Application pending·0 cites
- 4953US5704533ALever actuated staplerFiled 1997·Granted Jan 6, 1998·21 cites·1 claims
- 5053US2014318343A1Punching MachineCHANG CHUN YUAN·Filed 2013·Application pending·0 cites
Showing the top 50 of 93 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Chun Yuan Chang files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →