Inventor · Yokohama, JP

Norio Murakami

33Patents
10h-index
50Co-inventors
78Inventor score

Filing activity: Mar 9, 1976 → Feb 26, 2016

Most-cited inventions

PatentTitleAreaCited byStatus
US6011435A Transmission-line loss equalizing circuit Electricity 106 Expired
US7200394B2 Information distribution service system based on predicted changes in location of mobile information terminal Electricity 77 Expired
US5481564A Received data adjusting device Electricity 58 Expired
US4363977A Device for discriminating between two values of a signal with DC offset compensation Electricity 22 Expired
US4347617A Asynchronous transmission system for binary-coded information Electricity 19 Expired
US6198129A Vertical type insulated gate transistor Electricity 11 Expired
US7054835B2 Electronic commerce providing system having orderer authenticating function Physics 11 Expired
US4042061A Cell-box-type noise barrier having large magnitude of transmission loss and noise insulating method Fixed Constructions 11 Expired
US6975813B1 Light output control device Electricity 11 Expired
US7577732B2 Information distribution service providing system Electricity 11 Active
US4064960A Noise barrier Fixed Constructions 10 Expired
US6649455B2 SOI type MOS element and manufacturing method thereof Electricity 4 Expired
US6469349B2 SOI type MOS element and manufacturing method thereof Electricity 4 Expired
US7239873B2 Shared information system in network Electricity 3 Expired
US5336910A Charge coupled device of high sensitivity and high integration Electricity 3 Expired
US6921942B2 Structure of a lateral diffusion MOS transistor in widespread use as a power control device Electricity 3 Expired
US7619465B2 filter circuit and semiconductor device Electricity 3 Active
US7630739B2 Dynamic cell reconfiguring method and cellular network system to which the method is applied Electricity 2 Active
US6728495B1 Light output control circuit with a warning function of deteriorated light output Electricity 2 Expired
US9532240B2 Mobile communication system, quality control method, and monitoring control device Electricity 2 Active
US8244188B2 Transmitting and receiving circuit Electricity 1 Active
US6552393B2 Power MOS transistor having increased drain current path Electricity 1 Expired
US5395562A Method of producing mesocarbon microbeads and method for quality control of sintered mesocarbon products Chemistry; Metallurgy 1 Expired
US8386635B2 Data communication system capable of adjusting transmission speeds Electricity 0 Active
US9787833B2 Nurse call system, nurse call conversion unit, nurse call connection method, and program Electricity 0 Active

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