Billy Chen
9Patents
9Active
9Granted
45Portfolio score
Filing activity: Dec 30, 2013 → May 10, 2016 · 4 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD724264S1 | Electronic cigarette | General | 88 | Active |
| USD770789S1 | Chair | General | 24 | Active |
| US9393395B2 | Tattoo machine | Human Necessities | 19 | Active |
| USD788679S1 | Wheel rim | General | 19 | Active |
| USD793938S1 | Wheel rim | General | 18 | Active |
| USD763588S1 | Chair | General | 18 | Active |
| USD751706S1 | Tattoo machine foot switch | General | 3 | Active |
| US9443678B1 | Tattoo machine foot switch | Electricity | 2 | Active |
| US9675791B1 | Spring tensioner for tattoo machine needle | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.