Heng Liu
45Patents
8h-index
44Co-inventors
75Inventor score
Filing activity: May 17, 2002 → Sep 12, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6869812B1 | High power AllnGaN based multi-chip light emitting diode | Electricity | 98 | Expired |
| US7732803B2 | Light emitting device having stacked multiple LEDS | Electricity | 73 | Active |
| US6650018B1 | High power, high luminous flux light emitting diode and method of making same | Electricity | 69 | Expired |
| US8502239B2 | High power allngan based multi-chip light emitting diode | Electricity | 25 | Active |
| US6919585B2 | Light-emitting diode with silicon carbide substrate | Electricity | 17 | Expired |
| US7193245B2 | High power, high luminous flux light emitting diode and method of making same | Electricity | 14 | Expired |
| US9698134B2 | Method for manufacturing a light emitted diode display | Electricity | 12 | Active |
| US9169625B2 | Water-saving management system for sanitary facility and water-saving management method for sanitary facility | Fixed Constructions | 11 | Active |
| US9716085B2 | Method for manufacturing a light emitted diode display | Electricity | 7 | Active |
| US7642183B2 | High power, high luminous flux light emitting diode and method of making same | Electricity | 6 | Expired |
| US8430152B2 | Heat dissipation device | Electricity | 5 | Active |
| US7864526B2 | Heat dissipation device | Electricity | 5 | Active |
| US8081477B2 | Heat sink assembly having a clip | Electricity | 5 | Active |
| US8216375B2 | Slab cross flow CVD reactor | Chemistry; Metallurgy | 4 | Active |
| US7781780B2 | Light emitting diodes with smooth surface for reflective electrode | Electricity | 4 | Active |
| US8193015B2 | Method of forming a light-emitting-diode array with polymer between light emitting devices | Electricity | 4 | Active |
| US7641939B2 | Chemical vapor deposition reactor having multiple inlets | Chemistry; Metallurgy | 3 | Active |
| US10700121B2 | Integrated multilayer monolithic assembly LED displays and method of making thereof | Electricity | 2 | Active |
| US8163578B2 | Light emitting diodes with smooth surface for reflective electrode | Electricity | 2 | Active |
| US7943949B2 | III-nitride based on semiconductor device with low-resistance ohmic contacts | Electricity | 2 | Expired |
| US8168984B2 | Light emitting diodes with smooth surface for reflective electrode | Electricity | 2 | Active |
| US10896897B2 | LED display module and method of making thereof | Electricity | 2 | Active |
| US8574936B2 | Semiconductor light emitting device and method for manufacturing the same | Electricity | 1 | Active |
| US8912555B2 | Semiconductor light-emitting device | Electricity | 1 | Active |
| US11476320B2 | Flat panel LED display | Electricity | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.