Inventor
YAMADA TAKEFUMI
JP30 patents
⚠️ This page may combine multiple inventors who share the name “YAMADA TAKEFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NTT DOCOMO INC
25 patentsUS7633924B2Dec 15, 2009
Communications system, communications method, transmitting apparatus, receiving apparatus and control program to variably adjust a symbol length
NTT DOCOMO INC36 citations92
US7116735B2Oct 3, 2006
Adaptive equalization apparatus and method
NTT DOCOMO INC26 citations92
US7663540B2Feb 16, 2010
Server device, mobile terminal and positioning mode selecting method
NTT DOCOMO INC9 citations84
US7619963B2Nov 17, 2009
OFDM signal frame generator, transmitter, signal transmission system and OFDM signal frame generating method
NTT DOCOMO INC18 citations84
US7813440B2Oct 12, 2010
Multiple-output multiple-input (MIMO) communication system, MIMO receiver and MIMO receiving method
NTT DOCOMO INC6 citations73
US11948469B2Apr 2, 2024
Information processing apparatus
NTT DOCOMO INC0 citations62
US8019013B2Sep 13, 2011
Multiple-output multiple-input (MIMO) communication system, MIMO receiver and MIMO receiving method
NTT DOCOMO INC2 citations62
US7652981B2Jan 26, 2010
Orthogonal frequency multi-carrier transmission device and transmission method
NTT DOCOMO INC4 citations62
US11881115B2Jan 23, 2024
Flight vehicle management apparatus
NTT DOCOMO INC0 citations61
US11634225B2Apr 25, 2023
Information-processing device and information-processing method
NTT DOCOMO INC1 citations60
US11531951B2Dec 20, 2022
Information processing apparatus
NTT DOCOMO INC0 citations60
US11492100B2Nov 8, 2022
Information processing apparatus
NTT DOCOMO INC0 citations60
US11393344B2Jul 19, 2022
Flight control apparatus and flight control system
NTT DOCOMO INC1 citations60
US11380209B2Jul 5, 2022
Information processing apparatus
NTT DOCOMO INC0 citations60
US12154438B2Nov 26, 2024
Flight vehicle management apparatus
NTT DOCOMO INC0 citations51
US11810462B2Nov 7, 2023
Aerial vehicle operation management device and aerial vehicle operation management method
NTT DOCOMO INC0 citations50
US11605300B2Mar 14, 2023
Aircraft operation system
NTT DOCOMO INC0 citations50
US11528674B2Dec 13, 2022
Control device and control method
NTT DOCOMO INC0 citations50
US11501651B2Nov 15, 2022
Flight control apparatus and flight control system
NTT DOCOMO INC0 citations50
US11755040B2Sep 12, 2023
Flight control apparatus and flight control system
NTT DOCOMO INC0 citations49
US11645879B2May 9, 2023
Information-processing device and information-processing method for determining an inspection timing for an aerial vehicle
NTT DOCOMO INC0 citations49
US9503920B2Nov 22, 2016
Base station and communication system to restrict communication service
NTT DOCOMO INC1 citations47
US12154326B2Nov 26, 2024
Information processing device and information processing method
NTT DOCOMO INC0 citations43
US11823580B2Nov 21, 2023
Information processing apparatus
NTT DOCOMO INC0 citations43
US7965652B2Jun 21, 2011
Radio communication system, least significant station, and intermediate station
NTT DOCOMO INC0 citations41