Keith Johnson
18Patents
7h-index
8Co-inventors
55Inventor score
Filing activity: Dec 8, 2000 → Mar 17, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6612893B2 | Toy airplane assembly having a microprocessor for assisting flight | Human Necessities | 45 | Expired |
| US6659395B2 | Propellers and propeller related vehicles | Performing Operations; Transporting | 41 | Expired |
| US6758436B2 | Pneumatic driven propeller related vehicles | Performing Operations; Transporting | 35 | Expired |
| US8905540B2 | Eyeglasses with interchangeable character eyes | Physics | 19 | Active |
| USD801419S1 | Novelty eyeglasses | General | 13 | Active |
| USD544410S1 | Motorcycle floorboard cover | General | 9 | Expired |
| USD523787S1 | Slip-in heat shield for a gap on motorcycle exhaust pipe | General | 8 | Expired |
| US6431943B1 | Finger-operated toy bicycle | Human Necessities | 7 | Expired |
| USD503198S1 | Toy helicopter | General | 7 | Expired |
| USD518760S1 | Midframe cover for a motorcycle | General | 7 | Expired |
| USD562736S1 | Motorcycle floorboard cover | General | 7 | Expired |
| US6736155B1 | Air oiler filler | Emerging Cross-Sectional Technologies | 5 | Expired |
| USD783950S1 | Hat with panels having pegged protrusions | General | 5 | Active |
| USD801642S1 | Novelty hat | General | 4 | Active |
| USD492739S1 | Yo-yo | General | 3 | Expired |
| USRE47176E1 | Propellers and propeller related vehicles | General | 2 | Active |
| US6561867B1 | Yo-yo having a centered disc supported by an arm | Human Necessities | 2 | Expired |
| US7310828B2 | Collapsible hat with spring | Human Necessities | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.