Da-Ren Chen
19Patents
15h-index
14Co-inventors
71Inventor score
Filing activity: Oct 10, 1997 → Dec 22, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7247338B2 | Coating medical devices | Performing Operations; Transporting | 197 | Expired |
| US6764720B2 | High mass throughput particle generation using multiple nozzle spraying | Performing Operations; Transporting | 190 | Expired |
| US6093557A | Electrospraying apparatus and method for introducing material into cells | Performing Operations; Transporting | 172 | Expired |
| US6746869B2 | Electrospraying apparatus and method for coating particles | Performing Operations; Transporting | 152 | Expired |
| US7279322B2 | Electrospraying apparatus and method for coating particles | Performing Operations; Transporting | 149 | Expired |
| US6399362B1 | Electrospraying apparatus and method for introducing material into cells | Performing Operations; Transporting | 148 | Expired |
| US7498063B2 | High mass throughput particle generation using multiple nozzle spraying | Performing Operations; Transporting | 145 | Active |
| US7972661B2 | Electrospraying method with conductivity control | Performing Operations; Transporting | 56 | Active |
| US6145391A | Charged particle neutralizing apparatus and method of neutralizing charged particles | Performing Operations; Transporting | 54 | Expired |
| US7951428B2 | Electrospray coating of objects | Chemistry; Metallurgy | 48 | Active |
| US5973904A | Particle charging apparatus and method of charging particles | Electricity | 39 | Expired |
| US6230572A | Instrument for measuring and classifying nanometer aerosols | Emerging Cross-Sectional Technologies | 36 | Expired |
| US5992244A | Charged particle neutralizing apparatus and method of neutralizing charged particles | Performing Operations; Transporting | 29 | Expired |
| US8028646B2 | Coating medical devices | Performing Operations; Transporting | 25 | Active |
| US9050611B2 | High mass throughput particle generation using multiple nozzle spraying | Performing Operations; Transporting | 15 | Active |
| US9642694B2 | Device with electrospray coating to deliver active ingredients | Chemistry; Metallurgy | 13 | Active |
| US7213476B2 | Stackable differential mobility analyzer for aerosol measurement | Physics | 10 | Expired |
| US8044350B2 | Miniaturized ultrafine particle sizer and monitor | Emerging Cross-Sectional Technologies | 9 | Active |
| US8704155B2 | Nanoscale object detection using a whispering gallery mode resonator | Performing Operations; Transporting | 5 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.