Inventor · Yokosuka, JP

Hirohito Suda

40Patents
17h-index
52Co-inventors
84Inventor score

Filing activity: Apr 20, 1992 → Jul 16, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US7072586B2 Radio base station system and central control station with unified transmission format Electricity 155 Expired
US5396576A Speech coding and decoding methods using adaptive and random code books Physics 75 Expired
US7463698B2 Transmitter and transmission control method Electricity 64 Active
US6631491B1 Interleaving method, interleaving apparatus, and recording medium in which interleave pattern generating program is recorded Electricity 60 Expired
US7430397B2 Radio repeater and radio relay transmission method Electricity 55 Active
US7783311B2 Wireless communications system, transmitting station, and receiving station Emerging Cross-Sectional Technologies 33 Active
US6959199B2 Multicast signal transmission power control method and base station using the same Electricity 33 Expired
US5859907A Echo canceler and echo path estimating method Electricity 30 Expired
US6553516B1 Interleaving method, interleaving apparatus, turbo encoding method, and turbo encoder Electricity 29 Expired
US7633924B2 Communications system, communications method, transmitting apparatus, receiving apparatus and control program to variably adjust a symbol length Electricity 28 Expired
US7499496B2 Transmitter and transmission controlling method Electricity 28 Active
US6915465B2 Received-signal combining method and system Electricity 25 Expired
US7463673B2 Radio relay system, radio relay apparatus, and radio relay method Electricity 24 Active
US7415085B2 OFDM receiver Electricity 22 Expired
US7826541B2 Wireless relay system, wireless relay apparatus, and wireless relay method Electricity 21 Active
US7075912B2 Wireless communication system using access points that can be freely set up by users Electricity 20 Expired
US6934554B2 Radio communication system Electricity 19 Expired
US7519136B2 Wireless positioning approach using time delay estimates of multipath components Electricity 17 Active
US6946956B2 Locating system and method for determining positions of objects Physics 16 Expired
US7619963B2 OFDM signal frame generator, transmitter, signal transmission system and OFDM signal frame generating method Electricity 14 Expired
US6831904B1 Cluster structured mobile communication system base station, cluster control station, line control station and mobile station Electricity 12 Expired
US7280833B2 Mobile communication terminal, server, communication system, communication control method, and communication control program Electricity 12 Expired
US7606531B2 Repeating station, a communication apparatus, and a directivity control method Electricity 12 Active
US7480235B2 OFDM transmitter and OFDM receiver Electricity 8 Active
US7646820B2 Transmission apparatus and receiving apparatus Electricity 8 Active

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