Inventor · Beijing, CN

Daichi Imamura

702Patents
15h-index
65Co-inventors
89Inventor score

Filing activity: Aug 30, 2000 → Jul 15, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US7782896B2 Wireless communication apparatus and wireless communication method Electricity 38 Active
US7944871B2 Communication relay apparatus and communication relay method Emerging Cross-Sectional Technologies 38 Active
US7729443B2 Wireless communication apparatus and wireless communication method Electricity 33 Active
US8040912B2 Multicarrier communication system, multicarrier communication apparatus and CQI reporting method Electricity 25 Active
US7864903B2 Multi-antenna reception apparatus, multi-antenna reception method, multi-antenna transmission apparatus and multi-antenna communication system Electricity 24 Active
US8144799B2 Multi-antenna reception apparatus, multi-antenna reception method, multi-antenna transmission apparatus and multi-antenna communication system Electricity 23 Active
US8605614B2 Power head room reporting method and mobile station device Electricity 22 Active
US6862262B1 OFDM communication device and detecting method Electricity 20 Expired
US8259658B2 Method for setting subbands in multicarrier communication, and radio communication base station apparatus Electricity 20 Active
US8077593B2 Radio communication mobile station device and correlation setting method Electricity 20 Active
US8737509B2 Wireless communication apparatus, wireless communication system and wireless communication method Electricity 18 Active
US8077594B2 Radio communication base station device and correlation setting method Electricity 17 Active
US8064393B2 Wireless communication base station apparatus and wireless communication method in multicarrier communication Electricity 16 Active
US6801586B1 OFDM communication apparatus and propagation path estimation method Electricity 16 Expired
US8798195B2 Wireless communication system, base station, terminal and method of generating codebook Electricity 15 Active
US8937875B2 Radio reception apparatus, radio transmission apparatus, and radio communication method Electricity 14 Active
US8125953B2 Radio communication device and radio communication method Electricity 14 Active
US8149727B2 Radio transmission apparatus, and radio transmission method Emerging Cross-Sectional Technologies 13 Active
US8111639B2 Radio transmitting apparatus and radio transmitting method Electricity 12 Active
US9591545B2 Handover control method, wireless communication terminal, and wireless communication device Electricity 12 Active
US7979077B2 Sequence allocating method, transmitting method and wireless mobile station device Electricity 12 Active
US9094923B2 Integrated circuit to control radio transmission process Emerging Cross-Sectional Technologies 11 Active
US8155656B2 Base station apparatus, sequence assigning method and reference signal generating method Electricity 11 Active
US8144746B2 Wireless communication apparatus and wireless communication method Electricity 11 Active
US8374277B2 Wireless communication mobile station device and method for using precoding matrix Electricity 11 Active

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