Inventor
FUKUMOTO HIROYUKI
JP31 patents
⚠️ This page may combine multiple inventors who share the name “FUKUMOTO HIROYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON TELEGRAPH & TELEPHONE
25 patentsUS11202211B2Dec 14, 2021
OAM multiplexing communication system and OAM multiplexing communication method
NIPPON TELEGRAPH & TELEPHONE10 citations85
US11228363B2Jan 18, 2022
OAM multiplexing communication system and inter-mode interference elimination method
NIPPON TELEGRAPH & TELEPHONE5 citations72
US11139867B2Oct 5, 2021
Antenna displacement correction method and device for OAM multiplexing communication system
NIPPON TELEGRAPH & TELEPHONE5 citations72
US12206450B2Jan 21, 2025
Phase difference distribution estimation method and phase difference distribution estimation apparatus
NIPPON TELEGRAPH & TELEPHONE0 citations62
US12143924B2Nov 12, 2024
Station placement designing apparatus, station placement designing method and program
NIPPON TELEGRAPH & TELEPHONE0 citations62
US11991545B2May 21, 2024
Arrival rate estimation apparatus, arrival rate estimation method and program
NIPPON TELEGRAPH & TELEPHONE0 citations62
US10873376B2Dec 22, 2020
OAM multiplexing communication system, OAM multiplexing transmission device, OAM multiplexing receiving device, and OAM multiplexing communication method
NIPPON TELEGRAPH & TELEPHONE1 citations62
US12231180B2Feb 18, 2025
Receiving apparatus
NIPPON TELEGRAPH & TELEPHONE0 citations61
US11923911B2Mar 5, 2024
Hydroacoustic communication system and receiving apparatus
NIPPON TELEGRAPH & TELEPHONE1 citations61
US11888538B2Jan 30, 2024
Receiving apparatus
NIPPON TELEGRAPH & TELEPHONE1 citations61
US11848727B2Dec 19, 2023
Wireless communication system and wireless communication method
NIPPON TELEGRAPH & TELEPHONE1 citations61
US11750299B2Sep 5, 2023
Communication apparatus and communication method
NIPPON TELEGRAPH & TELEPHONE1 citations61
US11411633B2Aug 9, 2022
Transmission device, wireless communication system, and transmission method
NIPPON TELEGRAPH & TELEPHONE1 citations59
US12206458B2Jan 21, 2025
Communication apparatus and optical communication system
NIPPON TELEGRAPH & TELEPHONE0 citations51
US12192783B2Jan 7, 2025
Station placement designing assistance apparatus, station placement designing assistance method and program
NIPPON TELEGRAPH & TELEPHONE0 citations51
US12127231B2Oct 22, 2024
Communication control apparatus, communication control method and program
NIPPON TELEGRAPH & TELEPHONE0 citations51
US12063520B2Aug 13, 2024
Station placement designing assistance apparatus, station placement designing assistance method and program
NIPPON TELEGRAPH & TELEPHONE0 citations51
US11811143B2Nov 7, 2023
Oam multiplexing communication system and inter-mode interference elimination method
NIPPON TELEGRAPH & TELEPHONE0 citations51
US11785475B2Oct 10, 2023
Wireless terminal accommodation determination apparatus, wireless terminal accommodation determination method and program
NIPPON TELEGRAPH & TELEPHONE0 citations51
US11477099B2Oct 18, 2022
Monitoring system
NIPPON TELEGRAPH & TELEPHONE0 citations51
US11411325B2Aug 9, 2022
OAM multiplexing communication system and OAM multiplexing communication method
NIPPON TELEGRAPH & TELEPHONE0 citations51
US11323165B2May 3, 2022
Wireless communication device and wireless communication method
NIPPON TELEGRAPH & TELEPHONE0 citations51
US11018749B2May 25, 2021
OAM multiplexing communication system and inter-mode interference compensation method
NIPPON TELEGRAPH & TELEPHONE0 citations51
US12143207B2Nov 12, 2024
Technique to maintain formation of a parallel transmission line in spatial multiplex transmission
NIPPON TELEGRAPH & TELEPHONE0 citations50
US12298391B2May 13, 2025
Doppler compensation system and doppler compensation method
NIPPON TELEGRAPH & TELEPHONE0 citations47