Philip Chang
6Patents
3h-index
9Co-inventors
50Inventor score
Filing activity: Mar 25, 1993 → Feb 16, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5342054A | Gold practice apparatus | Human Necessities | 122 | Expired |
| USD437626S | Portable housing for golf swing analyzer | General | 6 | Expired |
| USD437909S | Portable housing for golf swing analyzer | General | 3 | Expired |
| USD471247S1 | Portable golf video practice monitor | General | 1 | Expired |
| US12052455B2 | System and method for detecting and reporting concurrent viewership of online audio-video content | Electricity | 0 | Active |
| US12111520B2 | Method and system for determining a lens of customized color | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.