DARFON ELECTRONICS CORP.
405Patents
290Active
405Granted
58Portfolio score
Filing activity: Oct 27, 1998 → Sep 13, 2024 · 64 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7994880B2 | Energy transferring system and method thereof | Physics | 167 | Active |
| US6860612B2 | Illuminated keyboard switch structure | Electricity | 73 | Expired |
| US6559399B2 | Height-adjusting collapsible mechanism for a button key | Electricity | 71 | Expired |
| USD545303S1 | Remote keyboard | General | 67 | Expired |
| US7022927B2 | Keyboards with elevated keys | Electricity | 57 | Expired |
| USD566108S1 | Earphone | General | 57 | Expired |
| US8080744B2 | Keyboard and keyswitch | Electricity | 54 | Active |
| US6388219B2 | Computer keyboard key device made from a rigid printed circuit board | Electricity | 53 | Expired |
| US8604370B2 | Luminous keyboard | Electricity | 51 | Active |
| US7541554B2 | Key structure | Electricity | 50 | Active |
| US6922023B2 | Multiple-lamp backlight inverter | Electricity | 50 | Expired |
| US6706986B2 | Scissors-like linkage structure, key switch including the structure and method of assembling the same | Electricity | 49 | Expired |
| USD692432S1 | Casing with foldable keyboard | General | 38 | Active |
| USD534535S1 | Mouse | General | 35 | Expired |
| US7126499B2 | Keyboard | Physics | 32 | Expired |
| US7388167B2 | Keyboard structure | Electricity | 31 | Active |
| US6697049B2 | Pointing stick with a rectangular-shaped hollow structure | Emerging Cross-Sectional Technologies | 30 | Expired |
| US6518954B1 | Sensitive and short height pointing device | Physics | 26 | Expired |
| US6761494B2 | Button apparatus with a complex elastic unit | Electricity | 25 | Expired |
| US10183591B2 | Electric bicycle and battery lift mechanism and battery carrying device thereof | Emerging Cross-Sectional Technologies | 22 | Active |
| US7540675B2 | Foldable keyboard | Electricity | 21 | Active |
| US7268501B1 | Multi-lamp driving circuit | Emerging Cross-Sectional Technologies | 20 | Active |
| USD521022S1 | Media player | General | 19 | Expired |
| US6747867B2 | Elevated and lower keyboard apparatus | Electricity | 18 | Expired |
| US9221509B2 | Display apparatus and vehicle having a projector device | Physics | 16 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.