David O'Brien
37Patents
15h-index
37Co-inventors
81Inventor score
Filing activity: Oct 29, 1974 → Oct 21, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6477674B1 | Method and apparatus for conducting input/output loop back tests using a local pattern generator and delay elements | Physics | 60 | Expired |
| US7574792B2 | Method of manufacturing an implantable wireless sensor | Emerging Cross-Sectional Technologies | 49 | Active |
| US7854172B2 | Hermetic chamber with electrical feedthroughs | Performing Operations; Transporting | 48 | Active |
| US5570546A | System for raising and lowering communications equipment | Electricity | 46 | Expired |
| US7647836B2 | Hermetic chamber with electrical feedthroughs | Emerging Cross-Sectional Technologies | 40 | Active |
| US7621036B2 | Method of manufacturing implantable wireless sensor for in vivo pressure measurement | Emerging Cross-Sectional Technologies | 32 | Active |
| US9265428B2 | Implantable wireless sensor | Emerging Cross-Sectional Technologies | 32 | Active |
| US3962717A | Oxide isolated integrated injection logic with selective guard ring | Emerging Cross-Sectional Technologies | 29 | Expired |
| US7662653B2 | Method of manufacturing a hermetic chamber with electrical feedthroughs | Performing Operations; Transporting | 28 | Expired |
| US7748277B2 | Hermetic chamber with electrical feedthroughs | Physics | 26 | Active |
| US4066473A | Method of fabricating high-gain transistors | Emerging Cross-Sectional Technologies | 26 | Expired |
| US7677751B2 | Hands free magnification eyewear | Physics | 24 | Active |
| US6262585A | Apparatus for I/O leakage self-test in an integrated circuit | Physics | 23 | Expired |
| US7255710B2 | Helical stent with micro-latches | Human Necessities | 20 | Expired |
| US3993513A | Combined method for fabricating oxide-isolated vertical bipolar transistors and complementary oxide-isolated lateral bipolar transistors and the resulting structures | Emerging Cross-Sectional Technologies | 17 | Expired |
| US7618363B2 | Hydraulically actuated artificial muscle for ventricular assist | Human Necessities | 14 | Expired |
| US6704892B1 | Automated clock alignment for testing processors in a bypass mode | Physics | 14 | Expired |
| US11890082B2 | System and method for calculating a lumen pressure utilizing sensor calibration parameters | Emerging Cross-Sectional Technologies | 12 | Active |
| US7908018B2 | Flexible electrode | Human Necessities | 12 | Active |
| US11684276B2 | Implantable wireless pressure sensor | Emerging Cross-Sectional Technologies | 10 | Active |
| US10143388B2 | Method of manufacturing implantable wireless sensor for pressure measurement | Emerging Cross-Sectional Technologies | 8 | Active |
| US7990964B2 | System for message delivery to field personnel | Electricity | 7 | Active |
| US9078563B2 | Method of manufacturing implantable wireless sensor for in vivo pressure measurement | Emerging Cross-Sectional Technologies | 7 | Active |
| US7328359B2 | Technique to create link determinism | Physics | 6 | Expired |
| US7747888B2 | Technique to create link determinism | Physics | 4 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.