Duc Doan
22Patents
6h-index
24Co-inventors
69Inventor score
Filing activity: May 12, 1977 → May 22, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4200904A | Solar powered street lighting system | Emerging Cross-Sectional Technologies | 118 | Expired |
| US5561824A | Storage management of data for ensuring communication of minimal length data | Physics | 68 | Expired |
| USD370450S | Protective license plate cover design | General | 46 | Expired |
| US6985073B1 | Apparatus for monitoring traffic signals and alerting drivers | Physics | 40 | Expired |
| US4136361A | Vidicon reader | Electricity | 11 | Expired |
| USD378066S | Measurement, spacer and barricade warning tape | General | 6 | Expired |
| USD263075S | Combined ear wax remover and tooth pick | General | 5 | Expired |
| US8715789B2 | Chemical vapor deposition for an interior of a hollow article with high aspect ratio | Emerging Cross-Sectional Technologies | 5 | Active |
| US5878278A | System for controlling connection requests by each IO controllers storing and managing a request queue wherein additional channel addresses can be added | Physics | 4 | Expired |
| US5322033A | Mechanism for indicating when to change engine oil | Physics | 4 | Expired |
| US6860286B2 | Water supply system for multiple dwelling units | Emerging Cross-Sectional Technologies | 3 | Expired |
| US9520797B2 | Adaptive reference voltage for switching power converters | Emerging Cross-Sectional Technologies | 2 | Active |
| US9543819B2 | Adaptive BJT driver for switching power converter | Emerging Cross-Sectional Technologies | 2 | Active |
| US4233766A | Telephone mounting stand | Electricity | 1 | Expired |
| US10090671B2 | Short circuit protection for data interface charging | Electricity | 1 | Active |
| US4100557A | Visor optical camera system | Physics | 1 | Expired |
| US10044277B2 | Regulation of the power supply voltage for a flyback converter controller | Emerging Cross-Sectional Technologies | 0 | Active |
| US10084382B2 | Adaptive valley mode switching | Emerging Cross-Sectional Technologies | 0 | Active |
| US10297425B2 | Multiple anode plasma for CVD in a hollow article | Emerging Cross-Sectional Technologies | 0 | Active |
| US9985537B2 | Primary sensing of output voltage for an AC-DC power converter | Electricity | 0 | Active |
| US9979305B2 | Auxiliary winding ground fault detection for isolated DC/DC converter | Electricity | 0 | Active |
| US10917018B2 | Auxiliary winding ground fault detection for isolated DC/DC converter | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.