Ip Sing Au
2Patents
2h-index
—Co-inventors
27Inventor score
Filing activity: Aug 29, 1994 → Jan 18, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5478268A | Electronic educational toy apparatus | Human Necessities | 46 | Expired |
| US6994556B2 | Electronic educational apparatus incorporating the detection of objects | Human Necessities | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.