Hao Liu
23Patents
7h-index
32Co-inventors
69Inventor score
Filing activity: Apr 17, 1998 → Mar 27, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6037216A | Method for simultaneously fabricating capacitor structures, for giga-bit DRAM cells, and peripheral interconnect structures, using a dual damascene process | Electricity | 65 | Expired |
| US5906948A | Method for etching high aspect-ratio multilevel contacts | Electricity | 17 | Expired |
| US6265296A | Method for forming self-aligned contacts using a hard mask | Electricity | 14 | Expired |
| US5972789A | Method for fabricating reduced contacts using retardation layers | Electricity | 13 | Expired |
| US6080662A | Method for forming multi-level contacts using a H-containing fluorocarbon chemistry | Electricity | 11 | Expired |
| US6103588A | Method of forming a contact hole in a semiconductor device | Electricity | 8 | Expired |
| US6565759B1 | Etching process | Electricity | 8 | Expired |
| US6074952A | Method for forming multi-level contacts | Electricity | 7 | Expired |
| US6391763B1 | Method for forming a plug or damascene trench on a semiconductor device | Electricity | 4 | Expired |
| US10741970B1 | Electrical connector and electrical connector assembly having the same | Electricity | 3 | Active |
| US10547378B2 | Optical fiber status detection method, optical supervisory unit, and station | Electricity | 3 | Active |
| US11164516B2 | Shift register unit, gate driving circuit, display device and driving method | Physics | 3 | Active |
| US8817823B2 | Method and device for time synchronization | Electricity | 2 | Active |
| US11615743B2 | Shift register unit, gate driving circuit, display device and driving method | Physics | 1 | Active |
| US11284013B2 | Color detection method and terminal | Physics | 1 | Active |
| US11984085B2 | Shift register unit, gate driving circuit, display device and driving method | Physics | 1 | Active |
| US11579835B2 | Multimedia data playing method and terminal device | Physics | 1 | Active |
| US7711099B2 | Method and network structure for moving a call leg | Electricity | 0 | Active |
| US12427990B2 | Driving control method for vehicle | Performing Operations; Transporting | 0 | Active |
| US8286020B2 | Power supply and protection method thereof | Physics | 0 | Active |
| US12334022B2 | Shift register unit, gate driving circuit, display device and driving method | Physics | 0 | Active |
| US11942767B2 | Threading device suitable for building electrical pipeline | Electricity | 0 | Active |
| US11084255B2 | Formaldehyde-free UV blockboard with antibacterial function and preparation process thereof | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.