Inventor · Tegernsee, DE

Josef Berger

52Patents
17h-index
75Co-inventors
87Inventor score

Filing activity: Oct 24, 1974 → Feb 17, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US4000504A Deep channel MOS transistor Electricity 134 Expired
US5181214A Temperature stable solid-state laser package Electricity 132 Expired
US6850502B1 Join process method for admitting a node to a wireless mesh network Electricity 117 Expired
US5161044A Optical transmitters linearized by means of parametric feedback Physics 99 Expired
US5216729A Active alignment system for laser to fiber coupling Physics 70 Expired
US4670934A Windshield wiper Performing Operations; Transporting 53 Expired
US5253309A Optical distribution of analog and digital signals using optical modulators with complementary outputs Electricity 52 Expired
US4794615A End and side pumped laser Electricity 51 Expired
US6426814B1 Spatially switched router for wireless data packets Electricity 50 Expired
US4625359A Windshield wiper unit Performing Operations; Transporting 35 Expired
US5102222A Light wave polarization determination using a hybrid system Physics 31 Expired
US4967095A Method and apparatus for detecting and sizing particles on surfaces Physics 27 Expired
US4725294A Apparatus for collection of particulate matter from an ambient gas Physics 25 Expired
US4174738A Tubular edged belting and method of making Textiles; Paper 23 Expired
US5278363A Control device for the control of stepping motors for the adjustment of a motor vehicle seat Electricity 21 Expired
US5239681A RDS radio system Electricity 20 Expired
US6657410B1 Control device for a windscreen wiper device Performing Operations; Transporting 19 Expired
USD300581S Belting for safety belt General 17 Expired
US5589720A Electric motor with cooling device Electricity 16 Expired
US4018960A Belting for safety belts Emerging Cross-Sectional Technologies 14 Expired
US6462717B1 Enclosure for microwave radio transceiver with integral refractive antenna Electricity 14 Expired
US6839479B2 Optical switch Physics 14 Expired
US5026437A Cantilevered microtip manufacturing by ion implantation and etching Emerging Cross-Sectional Technologies 13 Expired
US5109199A Seat belt buckle monitor switch having cooperative circuit Performing Operations; Transporting 12 Expired
US5148444A Tunable single-frequency ring laser Electricity 12 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.