Jochen Hopf
52Patents
21h-index
10Co-inventors
85Inventor score
Filing activity: Nov 18, 1976 → Jul 29, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6140969A | Radio antenna arrangement with a patch antenna | Electricity | 95 | Expired |
| US5926141A | Windowpane antenna with transparent conductive layer | Chemistry; Metallurgy | 88 | Expired |
| US6236372A | Antenna for radio and television reception in motor vehicles | Electricity | 81 | Expired |
| US5973648A | Radio antenna arrangement with a patch antenna for mounting on or adjacent to the windshield of a vehicle | Electricity | 72 | Expired |
| US6011962A | Circuit for testing the function of mobile receiving installations | Electricity | 71 | Expired |
| US5313660A | Antenna diversity system with at least two antennae for the mobile reception of very-high and ultra-high frequency waves | Electricity | 48 | Expired |
| US6603434B2 | Diversity antenna on a dielectric surface in a motor vehicle body | Electricity | 43 | Expired |
| US6400334B1 | Diversity antenna system for a motor vehicle | Electricity | 40 | Expired |
| US6218997A | Antenna for a plurality of radio services | Electricity | 40 | Expired |
| US5097270A | Pane antenna having at least one wire-like antenna conductor combined with a set of heating wires | Electricity | 32 | Expired |
| US6169888A | Receiving antenna scanning diversity system with controllable switching | Electricity | 30 | Expired |
| US4602260A | Windshield antenna | Electricity | 28 | Expired |
| US4914446A | Diversity antenna system | Electricity | 26 | Expired |
| US6925293B2 | Antenna diversity system with phase controlled summation of antenna signals | Electricity | 24 | Expired |
| US5029308A | Unipolar antenna with conductive frame | Electricity | 24 | Expired |
| US5138330A | Pane antenna having an amplifier | Electricity | 24 | Expired |
| US5850198A | Flat antenna with low overall height | Electricity | 22 | Expired |
| US5801663A | Pane antenna having at least one wire-like antenna conductor combined with a set of heating wires | Electricity | 22 | Expired |
| US6633258B2 | Diversity system for receiving digital terrestrial and/or satellite radio signals for motor vehicles | Electricity | 22 | Expired |
| US5589839A | Radio antenna arrangement located next to vehicle window panels | Electricity | 21 | Expired |
| US4095228A | Windshield antenna defroster combination with radio interference reduction | Electricity | 21 | Expired |
| US5266960A | Pane antenna having at least one wire-like antenna conductor combined with a set of heating wires | Electricity | 21 | Expired |
| US6574460B1 | Radiotelephone system for motor vehicles with a group antenna | Electricity | 21 | Expired |
| US5826179A | Multi-antenna scanning diversity system | Electricity | 20 | Expired |
| US6130645A | Combination wide band antenna and heating element on a window of a vehicle | Electricity | 19 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.