Inventor · Santa Monica, CA, US

Harold A. Rosen

80Patents
27h-index
56Co-inventors
91Inventor score

Filing activity: Mar 27, 1975 → May 11, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US5568023A Electric power train control Emerging Cross-Sectional Technologies 181 Expired
US4989011A Dual mode phased array antenna system Electricity 176 Expired
US6628919B1 Low-cost multi-mission broadband communications payload Electricity 158 Expired
US5625624A High data rate satellite communication system Electricity 110 Expired
US5473601A Frequency reuse technique for a high data rate satellite communication system Electricity 104 Expired
US6421528B1 Satellite transmission system with adaptive transmission loss compensation Emerging Cross-Sectional Technologies 94 Expired
US4819227A Satellite communications system employing frequency reuse Emerging Cross-Sectional Technologies 71 Expired
US4879711A Satellite communications system employing frequency reuse Emerging Cross-Sectional Technologies 68 Expired
US6144128A Safety system for flywheel system for mobile energy storage Emerging Cross-Sectional Technologies 62 Expired
US4823341A Satellite communications system having frequency addressable high gain downlink beams Emerging Cross-Sectional Technologies 58 Expired
US5628232A Flywheel rotor with conical hub and methods of manufacture therefor Emerging Cross-Sectional Technologies 55 Expired
US5998899A Magnetic bearing system including a control system for a flywheel and method for operating same Emerging Cross-Sectional Technologies 53 Expired
US6213234A Vehicle powered by a fuel cell/gas turbine combination Emerging Cross-Sectional Technologies 51 Expired
US6975600B1 Multimode transmission system using TDMA Emerging Cross-Sectional Technologies 51 Expired
US5708312A Magnetic bearing system including a control system for a flywheel and method for operating same Emerging Cross-Sectional Technologies 44 Expired
US4872015A Satellite communications system for mobile users Electricity 43 Expired
US4029902A Contiguous channel multiplexer Electricity 42 Expired
US4831619A Satellite communications system having multiple downlink beams powered by pooled transmitters Emerging Cross-Sectional Technologies 40 Expired
US6388634B1 Multi-beam antenna communication system and method Emerging Cross-Sectional Technologies 37 Expired
US6175172A Hub and cylinder design for flywheel system for mobile energy storage Emerging Cross-Sectional Technologies 37 Expired
US4831334A Envelope amplifier Electricity 33 Expired
US5394075A Spacecraft bus regulation using solar panel position Emerging Cross-Sectional Technologies 33 Expired
US5767595A Flywheel system for mobile energy storage Emerging Cross-Sectional Technologies 32 Expired
US5566588A Flywheel rotor with conical hub and methods of manufacture therefor Emerging Cross-Sectional Technologies 28 Expired
US4792813A Antenna system for hybrid communications satellite Emerging Cross-Sectional Technologies 28 Expired

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