Ting Hu Chang
2Patents
2h-index
2Co-inventors
27Inventor score
Filing activity: Oct 14, 1997 → Dec 1, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6157369A | Optical-mechanical roller with ratchet | Electricity | 35 | Expired |
| US6429848B2 | Optical-mechanical roller with ratchet | Electricity | 13 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.