Ju Heon Ko
13Patents
4h-index
9Co-inventors
45Inventor score
Filing activity: Dec 6, 2012 → Jul 27, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US11290825B1 | Speaker unit for earphone | Electricity | 11 | Active |
| US8774447B2 | Crossover double speaker | Electricity | 6 | Active |
| US11381897B2 | Variable eartip for earphone | Electricity | 5 | Active |
| US11026012B1 | Earphone including tuning means | Electricity | 5 | Active |
| US11218789B1 | Microphone-mounted earphone | Electricity | 1 | Active |
| US11218793B2 | Earphone including tuning means | Electricity | 1 | Active |
| US11496839B2 | Speaker unit for earphone | Electricity | 0 | Active |
| US11653133B2 | Speaker unit for earphone | Electricity | 0 | Active |
| US11102584B1 | Speaker unit for earphone | Electricity | 0 | Active |
| US11234066B2 | Earphone | Electricity | 0 | Active |
| US11202139B2 | Speaker unit for earphone | Electricity | 0 | Active |
| US11496840B2 | Speaker unit for earphone | Electricity | 0 | Active |
| US11412330B2 | Speaker unit for earphone and earphone including the same | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.