Mandy M. Johnson
6Patents
5h-index
6Co-inventors
48Inventor score
Filing activity: Jan 5, 2005 → Dec 20, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD618669S1 | Earphone | General | 57 | Expired |
| US7428429B2 | Hands-free personal communication device | Electricity | 40 | Expired |
| US8103040B2 | Adjustable, dual speaker element in-ear phone | Electricity | 13 | Active |
| USD531984S1 | Stereo headphone earplate | General | 10 | Expired |
| USD517044S1 | Earplate for earphone | General | 5 | Expired |
| US8818012B2 | Adjustable, dual speaker element in-ear phone | Electricity | 5 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.