Inventor
OHSEKI TAKEO
JP33 patents
⚠️ This page may combine multiple inventors who share the name “OHSEKI TAKEO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KDDI CORP
26 patentsUS7391715B2Jun 24, 2008
Transmitter device and transmitting method using OFDM and MC-CDMA
KDDI CORP25 citations89
US7336742B2Feb 26, 2008
Frequency error correction device and OFDM receiver with the device
KDDI CORP12 citations82
US10154534B2Dec 11, 2018
Terminal device, base station device, communication system, and communication method
KDDI CORP2 citations72
US11457388B2Sep 27, 2022
Terminal apparatus and base station apparatus in wireless communication system in which handover including relay transmission path is executed, control method thereof, and storage medium
KDDI CORP2 citations70
US12193065B2Jan 7, 2025
Terminal device executing random access procedure, base station device, control method, and computer-readable storage medium
KDDI CORP0 citations62
US10945297B2Mar 9, 2021
Terminal device, base station device, and usable architecture determination method
KDDI CORP0 citations62
US12389293B2Aug 12, 2025
Enabling a terminal device to perform efficient communication in a stand-by state
KDDI CORP0 citations60
US12058574B2Aug 6, 2024
Terminal device that performs communication in stand-by state, method for controlling the same, and computer-readable storage medium
KDDI CORP0 citations60
US11985558B2May 14, 2024
Terminal apparatus and base station apparatus in wireless communication system in which handover including relay transmission path is executed, control method thereof, and storage medium
KDDI CORP0 citations60
US11818788B2Nov 14, 2023
Mobile communication system, terminal device, base station device, communication method, and computer program
KDDI CORP0 citations60
US11546962B2Jan 3, 2023
Mobile communication system, terminal device, base station device, communication method, and computer program
KDDI CORP0 citations60
US12563603B2Feb 24, 2026
Terminal apparatus, base station apparatus, control method, and computer-readable storage medium for coverage expansion in random access procedure
KDDI CORP0 citations59
US10405359B2Sep 3, 2019
Terminal device, base station device, and usable architecture determination method
KDDI CORP0 citations52
US12295039B2May 6, 2025
Control apparatus selectively using plurality of antennas, control method, and computer-readable storage medium
KDDI CORP0 citations51
US12289770B2Apr 29, 2025
Control apparatus selectively using plurality of antennas, terminal apparatus communicating with control apparatus, and communication method
KDDI CORP0 citations51
US12273892B2Apr 8, 2025
Terminal apparatus for executing two-step random access procedure, base station apparatus, and control method
KDDI CORP0 citations51
US12096485B2Sep 17, 2024
Terminal apparatus, base station apparatus, control method, and computer-readable storage medium for executing random access procedure
KDDI CORP0 citations50
US12052710B2Jul 30, 2024
Base station apparatus, terminal apparatus, communication method, and computer-readable storage medium
KDDI CORP0 citations50
US12010732B2Jun 11, 2024
Terminal apparatus, base station apparatus, control method, and computer-readable storage medium for executing random access procedure
KDDI CORP0 citations50
US12328732B2Jun 10, 2025
Terminal device, base station device, control method, and storage medium for controlling the transmission of signals
KDDI CORP0 citations48
US12531624B2Jan 20, 2026
Control apparatus, user equipment, control method, and non-transitory computer-readable storage medium
KDDI CORP0 citations47
US12016008B2Jun 18, 2024
Communication apparatus, communication method, and computer-readable storage medium for implementing coexistence with legacy system
KDDI CORP0 citations47
US12010590B2Jun 11, 2024
Communication device, communication method, and storage medium for implementing coexistence with legacy system
KDDI CORP0 citations47
US12408113B2Sep 2, 2025
Communication device, control method and computer-readable storage medium for executing transmission power control in relay transmission
KDDI CORP0 citations46
US12464569B2Nov 4, 2025
Terminal apparatus, and control method for performing handover having enhanced communication efficiency
KDDI CORP0 citations43
US9961594B2May 1, 2018
Terminal device, base station device, communications system, and communications method
KDDI CORP0 citations41
OHSEKI TAKEO
3 patentsUS8737208B2May 27, 2014
Wireless resource allocation apparatus and method
OHSEKI TAKEO5 citations70
US8243652B2Aug 14, 2012
Radio frame control apparatus, radio frame control method, and radio communication apparatus
OHSEKI TAKEO0 citations50
US9036565B2May 19, 2015
Radio frame control device, radio communication device, and radio frame control method
OHSEKI TAKEO0 citations38