Richard Chan
23Patents
8h-index
22Co-inventors
75Inventor score
Filing activity: Apr 4, 1997 → Jan 10, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7286583B2 | Semiconductor laser devices and methods | Electricity | 32 | Expired |
| US7535034B2 | PNP light emitting transistor and method | Electricity | 29 | Active |
| US7354780B2 | Semiconductor light emitting devices and methods | Electricity | 27 | Expired |
| US6027628A | Gel cassette for electrophoresis | Physics | 19 | Expired |
| US5938906A | Horizontal gel electrophoresis casting cassette | Physics | 17 | Expired |
| US7693195B2 | Semiconductor light emitting devices and methods | Electricity | 11 | Active |
| US7906805B2 | Reduced-edge radiation-tolerant non-volatile transistor memory cells | Electricity | 11 | Active |
| US8823011B2 | High linearity bandgap engineered transistor | Electricity | 10 | Active |
| US6919784B2 | High cycle MEMS device | Electricity | 8 | Expired |
| US6774667B1 | Method and apparatus for a flexible chargepump scheme for field-programmable gate arrays | Electricity | 7 | Expired |
| US7888199B2 | PNP light emitting transistor and method | Electricity | 6 | Active |
| US6998946B2 | High cycle deflection beam MEMS devices | Electricity | 6 | Expired |
| US7768317B1 | Radiation-tolerant flash-based FPGA memory cells | Physics | 6 | Active |
| US8742453B2 | High linearity hybrid transistor device | Electricity | 5 | Active |
| US7142076B2 | High cycle MEMS device | Electricity | 3 | Expired |
| US8232831B2 | Multiple input/gain stage Gilbert cell mixers | Electricity | 2 | Active |
| US8974651B2 | Illuminator for visualization of fluorophores | Physics | 1 | Active |
| US9835587B2 | Electrophoresis running tank assembly | Physics | 1 | Active |
| US11879118B2 | Gel tray for bacteria transformation lab | Chemistry; Metallurgy | 1 | Active |
| US12384994B2 | Gel tray for bacteria transformation lab | Chemistry; Metallurgy | 0 | Active |
| US6402915B1 | Running tank assembly for electrophoresis | Physics | 0 | Expired |
| US10641731B2 | Electrophoresis running tank assembly | Physics | 0 | Active |
| US11879117B2 | Gel tray for bacteria transformation lab | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.