Daniel K. Freeman
18Patents
4h-index
44Co-inventors
60Inventor score
Filing activity: May 9, 1989 → Aug 12, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5276765A | Voice activity detection | Physics | 114 | Expired |
| US5937188A | Instruction creation device | Physics | 30 | Expired |
| US4991214A | Speech coding using sparse vector codebook and cyclic shift techniques | Physics | 19 | Expired |
| US6016468A | Generating the variable control parameters of a speech signal synthesis filter | Physics | 9 | Expired |
| US10531805B2 | Biophysical sensing systems and methods using non-contact electric field detectors | Human Necessities | 4 | Active |
| US11103190B2 | Circuits and methods for electrosurgical unit signal detection | Human Necessities | 3 | Active |
| US10859620B2 | Miniature electric field detector | Human Necessities | 3 | Active |
| US11261465B2 | Method and system for incorporation of biomolecules into vesicles, cells, and micelles using electroactive porous device membrane | Chemistry; Metallurgy | 1 | Active |
| USRE35057E | Speech coding using sparse vector codebook and cyclic shift techniques | General | 1 | Expired |
| US10603502B2 | Implantable wireless microstimulator for peripheral nerves | Human Necessities | 1 | Active |
| US11213687B2 | Neural implant for microstimulation | Human Necessities | 0 | Active |
| US10390727B2 | Apparatus and method for imaging currents using nanoparticles and low-field magnetic resonance imaging (MRI) | Physics | 0 | Active |
| US11980482B2 | Circuits and methods for electrosurgical unit signal detection | Human Necessities | 0 | Active |
| US11167134B2 | Integrated circuit design for wireless control of biphasic stimulation in bioelectronic implant | Human Necessities | 0 | Active |
| US11774520B2 | Ferrimagnetic oscillator magnetometer | Physics | 0 | Active |
| US11708182B2 | Electrospray devices and methods for fabricating electrospray devices | Electricity | 0 | Active |
| US11327102B2 | Miniature electric field detector | Human Necessities | 0 | Active |
| US10039923B2 | Neural implant for microstimulation | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.