Jan Postma
4Patents
3h-index
12Co-inventors
43Inventor score
Filing activity: Apr 6, 2001 → Jun 21, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7111653B2 | Expansion tank | Emerging Cross-Sectional Technologies | 5 | Expired |
| US7412987B2 | Expansion tank with valve | Emerging Cross-Sectional Technologies | 3 | Expired |
| US8505205B2 | Personal care system comprising an electrical shaver and a cleaning device | Performing Operations; Transporting | 3 | Active |
| US6459240B2 | Battery-powered apparatus having detection means for the discharge condition of the battery | Electricity | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.