Inventor · Kawasaki, JP

Hiroki Shoki

41Patents
16h-index
44Co-inventors
81Inventor score

Filing activity: Sep 6, 1996 → Feb 15, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US6184828A Beam scanning antennas with plurality of antenna elements for scanning beam direction Electricity 293 Expired
US6308085A Distributed antenna system and method of controlling the same Electricity 201 Expired
US6400318B1 Adaptive array antenna Electricity 161 Expired
US5936577A Adaptive antenna Electricity 148 Expired
US7006465B2 Radio communication scheme Electricity 104 Expired
US6061553A Adaptive antenna Electricity 90 Expired
US6087986A Adaptive array antenna used in multi-carrier wave radio communications Electricity 70 Expired
US6091364A Antenna capable of tilting beams in a desired direction by a single feeder circuit, connection device therefor, coupler, and substrate laminating method Electricity 65 Expired
US5894598A Radio communication system using portable mobile terminal Electricity 52 Expired
US6249249A Active array antenna system Electricity 48 Expired
US6771988B2 Radio communication apparatus using adaptive antenna Electricity 37 Expired
US6377213B1 Wave arrival direction estimating method and antenna apparatus having wave arrival direction estimating function Electricity 34 Expired
US5936591A Multi-beam feeding apparatus Emerging Cross-Sectional Technologies 25 Expired
US6911944B2 Antenna apparatus Electricity 24 Expired
US6480526B1 Spread spectrum receive apparatus Electricity 24 Expired
US7319714B2 Wireless communication and wireless communication apparatus Electricity 19 Expired
US7043275B2 Radio communication apparatus using adaptive antenna Electricity 14 Expired
US7305232B2 Apparatus and method for mapping a location of wireless base stations in a mobile communication system Electricity 13 Expired
US6683575B2 Antenna apparatus Electricity 11 Expired
US8436777B2 Measurement apparatus and method thereof Physics 8 Active
US7194262B2 Wireless communication system, wireless base station, wireless terminal and method of wireless communication Emerging Cross-Sectional Technologies 7 Expired
US7120417B2 Mobile communications terminal, service area calculation apparatus and method of calculating service area Electricity 6 Expired
US8441405B2 Slot antenna device including a transmission line to waveguide transformer having differential feed pins Electricity 5 Active
US7292866B2 Mobile communications terminal, service area calculation apparatus and method of calculating service area Electricity 4 Expired
US7539485B2 Apparatus and method for mapping a location of wireless base stations in a mobile communication system Electricity 3 Active

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