In Cheol Chang
9Patents
1h-index
17Co-inventors
40Inventor score
Filing activity: Nov 29, 2007 → Jan 14, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7474480B2 | Subminiature imaging optical system | Physics | 5 | Active |
| US9287317B2 | Image sensor module and method of manufacturing the same | Electricity | 1 | Active |
| US7876511B2 | Subminiature imaging optical system | Physics | 1 | Active |
| US7764445B2 | Optical system | Physics | 1 | Active |
| US8369033B2 | Method of manufacturing lens and lens manufactured using the same | Performing Operations; Transporting | 1 | Active |
| US9001085B2 | Touch screen apparatus for determining accurate touch point coordinate pair | Physics | 0 | Active |
| US8154794B2 | Imaging lens and method of manufacturing the same | Emerging Cross-Sectional Technologies | 0 | Active |
| US8273272B2 | Method for manufacturing lens used in camera module | Physics | 0 | Active |
| US7723669B2 | Optical movement sensing system | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.