Andy Chang
15Patents
6h-index
27Co-inventors
66Inventor score
Filing activity: May 22, 1989 → Feb 22, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8082301B2 | System for supporting collaborative activity | Electricity | 1,638 | Active |
| US4949616A | Stepless transmission scroll sawing machine with saw blade fastening and micro-inch adjusting means and the related positioning device | Emerging Cross-Sectional Technologies | 19 | Expired |
| US7720148B2 | Efficient multi-frame motion estimation for video compression | Electricity | 10 | Active |
| US8966445B2 | System for supporting collaborative activity | Electricity | 10 | Active |
| US5105704A | Adjustable saw blade fastener | Emerging Cross-Sectional Technologies | 8 | Expired |
| US7657113B2 | Auto-regressive method and filter for denoising images and videos | Physics | 6 | Active |
| US8850385B2 | System for supporting collaborative activity | Electricity | 4 | Active |
| US5022157A | Transmission mechanism for scroll sawing machine | Emerging Cross-Sectional Technologies | 4 | Expired |
| US11500837B1 | Automating optimizations for items in a hierarchical data store | Physics | 3 | Active |
| US5389526A | Plasmid vectors for cellular slime moulds of the genus dictyostelium | Chemistry; Metallurgy | 3 | Expired |
| US9864655B2 | Methods and apparatus for mobile computing device security in testing facilities | Physics | 2 | Active |
| US7928327B2 | Shielding device | Electricity | 1 | Active |
| US5070752A | Structure of driving mechanism for scroll sawing machine | Emerging Cross-Sectional Technologies | 1 | Expired |
| US11435896B1 | Secured operation with optional cancellation on touch-sensitive devices | Physics | 0 | Active |
| US8949080B2 | Methods of designing integrated circuits and systems thereof | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.