Ralph Serna
20Patents
15h-index
12Co-inventors
74Inventor score
Filing activity: Jun 23, 1989 → Sep 28, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5983529A | Footwear shock absorbing system | Human Necessities | 140 | Expired |
| USD308285S | Shoe sole | General | 125 | Expired |
| USD310293S | Shoe upper | General | 73 | Expired |
| USD450916S | Athletic shoe | General | 66 | Expired |
| USD396947S | Footwear sole | General | 63 | Expired |
| US6598320B2 | Shoe incorporating improved shock absorption and stabilizing elements | Human Necessities | 58 | Expired |
| USD326766S | Portion of a shoe sole | General | 51 | Expired |
| USD326011S | Shoe upper | General | 44 | Expired |
| USD388244S | Shoe tongue cover | General | 41 | Expired |
| USD474332S1 | Heel portion of an athletic shoe outsole | General | 40 | Expired |
| USD327769S | Side element for a shoe upper | General | 39 | Expired |
| USD387194S | Shoe upper | General | 37 | Expired |
| USD338095S | Shoe upper | General | 26 | Expired |
| USD323926S | Shoe upper | General | 19 | Expired |
| USD325810S | Shoe upper | General | 16 | Expired |
| USD328515S | Shoe upper | General | 14 | Expired |
| USD401047S | Shoe upper | General | 13 | Expired |
| USD342819S | Element of a shoe upper | General | 11 | Expired |
| USD335569S | Elements of a shoe upper | General | 9 | Expired |
| USD336769S | Element of a shoe upper | General | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.