Keith B. Kahen
52Patents
16h-index
32Co-inventors
84Inventor score
Filing activity: Feb 12, 1990 → Aug 7, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6947459B2 | Organic vertical cavity laser and imaging system | Electricity | 66 | Expired |
| US7777233B2 | Device containing non-blinking quantum dots | Chemistry; Metallurgy | 59 | Active |
| US7057339B2 | OLED with color change media | Electricity | 42 | Expired |
| US6869185B2 | Display systems using organic laser light sources | Electricity | 41 | Expired |
| US6950454B2 | Electronic imaging system using organic laser array illuminating an area light valve | Electricity | 38 | Expired |
| US7615800B2 | Quantum dot light emitting layer | Emerging Cross-Sectional Technologies | 37 | Active |
| US6879618B2 | Incoherent light-emitting device apparatus for driving vertical laser cavity | Electricity | 24 | Expired |
| US7888700B2 | Quantum dot light emitting device | Emerging Cross-Sectional Technologies | 23 | Active |
| US6967986B2 | Light modulation apparatus using a VCSEL array with an electromechanical grating device | Electricity | 22 | Expired |
| US4995049A | Optoelectronic integrated circuit | Electricity | 21 | Expired |
| US6728278B2 | Organic vertical cavity laser array device | Electricity | 21 | Expired |
| US6879306B2 | Scanned display systems using color laser light sources | Electricity | 20 | Expired |
| US6658037B2 | Incoherent light-emitting device apparatus for driving vertical laser cavity | Electricity | 19 | Expired |
| US6687274B2 | Organic vertical cavity phase-locked laser array device | Electricity | 18 | Expired |
| US7122843B2 | Display device using vertical cavity laser arrays | Physics | 17 | Expired |
| US7262758B2 | Display device using vertical cavity laser arrays | Physics | 17 | Expired |
| US6690697B1 | Vertical cavity light-producing device with improved power conversion | Electricity | 15 | Expired |
| US5212705A | AlAS Zn-stop diffusion layer in AlGaAs laser diodes | Electricity | 14 | Expired |
| US7906354B1 | Light emitting nanowire device | Emerging Cross-Sectional Technologies | 13 | Active |
| US8242515B2 | Device containing non-blinking quantum dots | Chemistry; Metallurgy | 13 | Active |
| US7045825B2 | Vertical cavity laser producing different color light | Physics | 13 | Expired |
| US6545409B2 | Organic light-emitting diode with high contrast ratio | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5801404A | High efficiency, aluminum gallium arsenide LED arrays utilizing zinc-stop diffusion layers | Electricity | 11 | Expired |
| US5007063A | Laser diode | Electricity | 10 | Expired |
| US5212703A | Surface emitting lasers with low resistance bragg reflectors | Electricity | 9 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.