Yun-kyu Sim
11Patents
4h-index
18Co-inventors
53Inventor score
Filing activity: Oct 18, 2007 → Jul 31, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD693399S1 | Developing device for a printer | General | 12 | Active |
| US8670690B2 | Process cartridge and image forming apparatus having the same | Physics | 7 | Active |
| US7873305B2 | Developing unit and image forming apparatus having the same | Physics | 4 | Active |
| US9429902B2 | Developing cartridge and image forming apparatus employing the same | Physics | 4 | Active |
| US8073366B2 | Developing unit and image forming apparatus having the same | Physics | 1 | Active |
| US8583013B2 | Developing unit and image forming apparatus having the same | Physics | 0 | Active |
| US9323213B2 | Cartridge and electrophotographic image forming apparatus using the same | Physics | 0 | Active |
| US9465357B2 | Cartridge and electrophotographic image forming apparatus using the same | Physics | 0 | Active |
| US8923736B2 | Developing unit and image forming apparatus employing the same | Physics | 0 | Active |
| US9020404B2 | Developing unit containing multiple supply rollers and image forming apparatus using the same | Physics | 0 | Active |
| US10466621B2 | Developing cartridge and electrophotographic image forming apparatus employing same | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.