Alf Hackenberg
15Patents
8h-index
21Co-inventors
68Inventor score
Filing activity: May 12, 2000 → Jun 2, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD439230S | Portable communication device | General | 179 | Expired |
| USD589961S1 | Tablet | General | 44 | Expired |
| USD602022S1 | Tablet | General | 38 | Expired |
| USD602527S1 | Pen | General | 18 | Expired |
| USD607353S1 | Laser distance measurement device | General | 17 | Expired |
| USD584772S1 | Pen | General | 17 | Expired |
| USD607352S1 | Laser distance measurement device | General | 14 | Expired |
| USD570416S1 | Pen stand | General | 12 | Expired |
| USD476830S1 | Display stand | General | 5 | Expired |
| USD512413S1 | Speaker | General | 4 | Expired |
| USD510338S1 | Speaker controller | General | 4 | Expired |
| USD607453S1 | Mouse | General | 4 | Expired |
| USD510340S1 | Speaker | General | 1 | Expired |
| USD465473S1 | Speaker | General | 1 | Expired |
| USD509499S1 | Speaker grille | General | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.