Martin Lenhardt
5Patents
5h-index
3Co-inventors
48Inventor score
Filing activity: Apr 26, 2002 → Sep 22, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7310427B2 | Recreational bone conduction audio device, system | Electricity | 64 | Expired |
| US7616771B2 | Acoustic coupler for skin contact hearing enhancement devices | Electricity | 29 | Expired |
| US8172769B2 | Method and apparatus for monitoring intra ocular and intra cranial pressure | Human Necessities | 7 | Expired |
| US8111860B2 | Recreational bone conduction audio device, system | Electricity | 6 | Active |
| US8189839B2 | Hearing device improvements using modulation of acoustically coupled signals at middle ear resonance | Electricity | 6 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.