Ching-Chiang Yu
11Patents
5h-index
7Co-inventors
55Inventor score
Filing activity: Aug 22, 1995 → Apr 27, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6876312B2 | Keyboard with multi-function keys | Electricity | 119 | Expired |
| US6572289B2 | Pushbutton structure of keyboard | Electricity | 52 | Expired |
| USD458931S1 | Computer keyboard | General | 20 | Expired |
| US5772008A | Keyboard switch actuator assembly including keycap and scissors type linkage | Electricity | 13 | Expired |
| US6570113B2 | Key switch | Electricity | 6 | Expired |
| US7329018B2 | Illuminated human-machine interface device | Electricity | 4 | Expired |
| US7402765B2 | Flat key and the frame supporting thereof | Electricity | 3 | Active |
| US5670991A | Keyboard with a universally adjusting apparatus | Physics | 2 | Expired |
| US6499894B1 | Push key with replaceable key cap | Electricity | 2 | Expired |
| US6492948B1 | Antenna base | Electricity | 0 | Expired |
| US6489579B1 | Key switch | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.