Joseph Chang
14Patents
11h-index
28Co-inventors
72Inventor score
Filing activity: Mar 4, 1997 → Mar 3, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5899035A | Knock-down portable partition system | Fixed Constructions | 103 | Expired |
| US6330773A | Stacking bracket for partitions | Fixed Constructions | 62 | Expired |
| US6079173A | Knock-down portable partition system | Fixed Constructions | 52 | Expired |
| US6301846A | Knock-down portable partition system | Fixed Constructions | 50 | Expired |
| US6098358A | Knock-down portable partition system | Fixed Constructions | 48 | Expired |
| US6546684B2 | Partition panel | Fixed Constructions | 37 | Expired |
| US6442909B2 | Knock-down portable partition system | Fixed Constructions | 37 | Expired |
| US6910306B2 | Knock-down portable partition system | Fixed Constructions | 28 | Expired |
| US8708363B1 | Folding walker | Human Necessities | 22 | Active |
| US7448168B2 | Knock-down portable partition system | Fixed Constructions | 20 | Active |
| US6276103A | Cover panel brace for partition systems | Fixed Constructions | 16 | Expired |
| US5943833A | In-floor utility outlet | Electricity | 9 | Expired |
| US7565772B2 | Knock-down portable partition system | Fixed Constructions | 9 | Active |
| US9861901B1 | Easily transportable inflation and deflation assembly for a bounce house | Human Necessities | 6 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.