David J. Roach
21Patents
11h-index
32Co-inventors
75Inventor score
Filing activity: Jun 5, 1996 → Jun 4, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6787111B2 | Apparatus and method for filling and cleaning channels and inlet ports in microchips used for biological analysis | Physics | 196 | Expired |
| US6423536B1 | Low volume chemical and biochemical reaction system | Emerging Cross-Sectional Technologies | 127 | Expired |
| US6190616A | Capillary valve, connector, and router | Emerging Cross-Sectional Technologies | 91 | Expired |
| US5770151A | High-speed liquid deposition device for biological molecule array formation | Emerging Cross-Sectional Technologies | 89 | Expired |
| US6764648B1 | Robotic microchannel bioanalytical instrument | Emerging Cross-Sectional Technologies | 80 | Expired |
| US6627446B1 | Robotic microchannel bioanalytical instrument | Emerging Cross-Sectional Technologies | 77 | Expired |
| US6551839B2 | Method of merging chemical reactants in capillary tubes | Emerging Cross-Sectional Technologies | 62 | Expired |
| US6581012B1 | Automated laboratory software architecture | Emerging Cross-Sectional Technologies | 58 | Expired |
| US6870185B2 | Integrated microchip design | Physics | 51 | Expired |
| US8021611B2 | Automated micro-volume assay system | Emerging Cross-Sectional Technologies | 43 | Active |
| US8940232B2 | Automated micro-volume assay system | Emerging Cross-Sectional Technologies | 12 | Active |
| US10794860B2 | Systems and methods for capillary electrophoresis, isoelectric point, and molecular weight analysis | Physics | 7 | Active |
| US9766206B2 | Apparatus, systems, and methods for capillary electrophoresis | Physics | 5 | Active |
| US11420202B1 | Systems and methods for fractionation and collection of analytes in a sample | Performing Operations; Transporting | 2 | Active |
| US11237131B2 | Systems and methods for electrophoretic separation and analysis of analytes | Physics | 1 | Active |
| US11726058B2 | Systems and methods for capillary electrophoresis, isoelectric point, and molecular weight analysis | Physics | 1 | Active |
| US12023670B2 | Systems and methods for fractionation and collection of analytes in a sample | Performing Operations; Transporting | 1 | Active |
| US11933759B2 | Apparatus, systems, and methods for capillary electrophoresis | Physics | 0 | Active |
| US12383896B2 | Systems and methods for fractionation and collection of analytes in a sample | Performing Operations; Transporting | 0 | Active |
| US12216082B2 | Systems and methods for capillary electrophoresis, isoelectric point, and molecular weight analysis | Physics | 0 | Active |
| US12216080B2 | Systems and methods for electrophoretic separation and analysis of analytes | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.