David Y. Li
32Patents
9h-index
32Co-inventors
75Inventor score
Filing activity: Nov 30, 1995 → Jan 30, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9734419B1 | System and method for validating camera calibration in a vision system | Physics | 65 | Active |
| US5742037A | Method and apparatus for high speed identification of objects having an identifying feature | Physics | 62 | Expired |
| US5673334A | Method and apparatus for inspection of characteristics on non-rigid packages | Physics | 52 | Expired |
| US8442304B2 | System and method for three-dimensional alignment of objects using machine vision | Physics | 41 | Active |
| US6118893A | Analysis of an image of a pattern of discrete objects | Physics | 41 | Expired |
| US5963686A | Low cost, easy to build precision wavelength locker | Physics | 39 | Expired |
| US6577775B1 | Methods and apparatuses for normalizing the intensity of an image | Physics | 15 | Expired |
| US6130959A | Analyzing an image of an arrangement of discrete objects | Physics | 11 | Expired |
| US6714670B1 | Methods and apparatuses to determine the state of elements | Physics | 11 | Expired |
| US10152780B2 | System and method for finding lines in an image with a vision system | Physics | 8 | Active |
| US6115042A | Interface for model definition | Physics | 7 | Expired |
| US6289117A | Analysis of an image of a pattern of discrete objects | Physics | 6 | Expired |
| US6141009A | Interface for model definition | Physics | 5 | Expired |
| US6526196B1 | Optical switch using rotatable reflector | Physics | 5 | Expired |
| US6633701B2 | Method of manufacturing a core collimating assembly for DWDM devices | Physics | 3 | Expired |
| US8733656B2 | Code and part associating method and apparatus | Physics | 3 | Active |
| US6067376A | Classifying pixels of an image | Physics | 2 | Expired |
| US6055328A | Analyzing an acquired arrangement of object locations | Physics | 2 | Expired |
| US10477154B2 | System and method for aligning two work pieces with a vision system in the presence of occlusion | Physics | 1 | Active |
| US11413007B2 | Non-contact acoustic radiation force based (ARF-based) generation of broad bandwidth mechanical waves using air-coupled ultrasound | Physics | 1 | Active |
| US7010228B2 | Optical add-drop multiplexer | Electricity | 1 | Expired |
| US9569850B2 | System and method for automatically determining pose of a shape | Physics | 0 | Active |
| US11699247B2 | System and method for runtime determination of camera miscalibration | Physics | 0 | Active |
| US10032273B2 | Machine vision system calibration using inaccurate calibration targets | Physics | 0 | Active |
| US10753726B2 | System and method for 3D profile determination using model-based peak selection | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.