Jan Hippen
54Patents
20h-index
81Co-inventors
83Inventor score
Filing activity: Dec 21, 1992 → Sep 21, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD439230S | Portable communication device | General | 179 | Expired |
| US5796575A | Portable computer with hinged cover having a window | Emerging Cross-Sectional Technologies | 88 | Expired |
| USD362432S | Keyboard | General | 73 | Expired |
| USD357476S | Keyboard | General | 50 | Expired |
| US5644516A | Portable computer | Emerging Cross-Sectional Technologies | 46 | Expired |
| US5979850A | Caddy for appliance | Human Necessities | 45 | Expired |
| USD390416S | Blender jar | General | 44 | Expired |
| USD400757S | Blender | General | 42 | Expired |
| US6154196A | Coordinate input device convertible between right-handed and left-handed modes | Physics | 41 | Expired |
| USD387946S | Coffeemaker | General | 37 | Expired |
| USD389369S | Carafe | General | 36 | Expired |
| USD390415S | Caddy and accessories for hand mixer | General | 34 | Expired |
| USD381016S | Palm rest portion for a keyboard | General | 31 | Expired |
| USD450056S | Portion of a keyboard | General | 31 | Expired |
| USD442590S | Portion of a keyboard | General | 31 | Expired |
| USD442589S | Keyboard | General | 28 | Expired |
| USD439903S | Keyboard | General | 25 | Expired |
| USD387610S | Stand mixer | General | 25 | Expired |
| USD428437S | Fluid container | General | 23 | Expired |
| USD400758S | Hand mixer | General | 22 | Expired |
| USD373378S | Color inkjet printer | General | 18 | Expired |
| USD400539S | Remote controller with a crystal monitor | General | 17 | Expired |
| USD387245S | Stand mixer housing | General | 17 | Expired |
| USD379354S | Combined audio and video amplifier | General | 17 | Expired |
| USD387944S | Coffeemaker housing | General | 17 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.