Erik Hansen
7Patents
3h-index
8Co-inventors
50Inventor score
Filing activity: Feb 21, 2001 → Mar 31, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8753164B2 | Toy construction system | Human Necessities | 85 | Active |
| US9144749B2 | Toy building system with function bricks | Human Necessities | 29 | Active |
| US10625173B2 | Toy construction system with function construction elements | Human Necessities | 7 | Active |
| USD457841S1 | Shifting rod for cruiser motorcycles | General | 3 | Expired |
| US11433302B2 | Interactive play apparatus | Human Necessities | 1 | Active |
| US11583784B2 | Play system and method for detecting toys | Human Necessities | 0 | Active |
| US12005372B2 | Toy construction system with function construction elements | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.