Inventor · disambiguated record
Joseph Chang
Also filed as: CHANG JOSEPH · CHANG JOSEPH HSIAO-WEN
13 granted patents·739 citations·filing 1997–2017
95Inventor score
Files withSTEELCASE DEV CORP4STEELCASE INC4STEELCASE DEV INC3CHANG JOSEPH HSIAO-WEN1MGA ENTERTAINMENT INC1
Top patents by PatentIndex Score
13 records- 0198US5899035AKnock-down portable partition systemSTEELCASE INC·Filed 1997·Granted May 4, 1999·152 cites·52 claims
- 0295US6079173AKnock-down portable partition systemSTEELCASE DEV INC·Filed 1999·Granted Jun 27, 2000·98 cites·41 claims
- 0393US8708363B1Folding walkerCHANG JOSEPH HSIAO-WEN·Filed 2012·Granted Apr 29, 2014·36 cites·20 claims
- 0492US7448168B2Knock-down portable partition systemSTEELCASE INC·Filed 2007·Granted Nov 11, 2008·25 cites·36 claims
- 0592US6442909B2Knock-down portable partition systemSTEELCASE DEV CORP·Filed 2001·Granted Sep 3, 2002·57 cites·24 claims
- 0691US9861901B1Easily transportable inflation and deflation assembly for a bounce houseMGA ENTERTAINMENT INC·Filed 2017·Granted Jan 9, 2018·18 cites·20 claims
- 0791US6546684B2Partition panelSTEELCASE DEV CORP·Filed 2001·Granted Apr 15, 2003·61 cites·29 claims
- 0889US6910306B2Knock-down portable partition systemSTEELCASE DEV CORP·Filed 2002·Granted Jun 28, 2005·42 cites·25 claims
- 0988US6098358AKnock-down portable partition systemSTEELCASE DEV INC·Filed 1998·Granted Aug 8, 2000·69 cites·44 claims
- 1087US6301846B1Knock-down portable partition systemSTEELCASE DEV INC·Filed 1999·Granted Oct 16, 2001·70 cites·27 claims
- 1185US6330773B1Stacking bracket for partitionsSTEELCASE DEV CORP·Filed 1999·Granted Dec 18, 2001·84 cites·33 claims
- 1284US7565772B2Knock-down portable partition systemSTEELCASE INC·Filed 2005·Granted Jul 28, 2009·13 cites·20 claims
- 1348US5943833AIn-floor utility outletSTEELCASE INC·Filed 1997·Granted Aug 31, 1999·14 cites·42 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →