Po-Yang Chen
86Patents
12h-index
65Co-inventors
87Inventor score
Filing activity: Feb 22, 1996 → Apr 1, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6622535B2 | Lock construction having an electrically activated clutch mechanism and a transmission mechanism | Emerging Cross-Sectional Technologies | 36 | Expired |
| US7100407B2 | Handled lock set for a door | Emerging Cross-Sectional Technologies | 28 | Expired |
| US6109080A | Transmission devices for locks with changeable lock core assemblies | Emerging Cross-Sectional Technologies | 25 | Expired |
| US6615630B2 | Door lock | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5927777A | Lock set with improved spindle construction | Emerging Cross-Sectional Technologies | 19 | Expired |
| US7748759B2 | Door lock having an unlocking mechanism for simultaneously unlatching latch-bolt and deadbolt mechanisms | Emerging Cross-Sectional Technologies | 16 | Active |
| US7137657B2 | Reinforced apparatus for a lever handle of a door lock | Emerging Cross-Sectional Technologies | 15 | Expired |
| US8441459B2 | In-cell capacitive touch panel | Physics | 15 | Active |
| US6406072B1 | Drive device for an electrically operated lock | Emerging Cross-Sectional Technologies | 15 | Expired |
| US7874191B2 | Cylinder lock | Emerging Cross-Sectional Technologies | 14 | Active |
| US10047544B2 | Transmission device of electronic lock | Fixed Constructions | 13 | Active |
| USD587091S1 | Handle | General | 13 | Expired |
| US7825998B2 | Input display having particular photo sensor, color filter, and light-shielding element arrangement | Physics | 10 | Active |
| US8746760B2 | Handle-returning device for a cylinder lock assembly | Emerging Cross-Sectional Technologies | 10 | Active |
| US7581421B2 | Door lock assembly having a support structure to support a tailpiece and a retaining plate | Emerging Cross-Sectional Technologies | 6 | Active |
| US7323718B2 | Input display with embedded photo sensor | Electricity | 6 | Active |
| US10145144B1 | Electric door lock | Fixed Constructions | 6 | Active |
| US8256253B2 | Cylindrical lock | Emerging Cross-Sectional Technologies | 6 | Active |
| US5788296A | Lock set with improved spindle construction | Emerging Cross-Sectional Technologies | 5 | Expired |
| US9599848B2 | Display device including compensation capacitors with different capacitance values | Physics | 5 | Active |
| US8791928B2 | Pixel driving method, pixel driving device and liquid crystal display using thereof | Physics | 3 | Active |
| US8922496B2 | Multi-touch detection method for touch panel | Physics | 3 | Active |
| US8804058B2 | Display device including compensation capacitors with different capacitance values | Physics | 3 | Active |
| US8400421B2 | Touch panel and multi-touch detecting method thereof | Physics | 2 | Active |
| US8462282B2 | Liquid crystal display and driving method thereof | Physics | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.