Inventor
KATAYAMA YOHEI
JP36 patents
⚠️ This page may combine multiple inventors who share the name “KATAYAMA YOHEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON TELEGRAPH & TELEPHONE
21 patentsUS11617070B2Mar 28, 2023
Communication control device, communication control method and communication control system
NIPPON TELEGRAPH & TELEPHONE2 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
US11765640B2Sep 19, 2023
Wireless communication system, control method, control apparatus, and control program
NIPPON TELEGRAPH & TELEPHONE0 citations58
US12224797B2Feb 11, 2025
Optical wireless communication device and optical wireless communication method
NIPPON TELEGRAPH & TELEPHONE0 citations51
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
US12149285B2Nov 19, 2024
Optical wireless communication system and optical wireless communication method
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
US11785475B2Oct 10, 2023
Wireless terminal accommodation determination apparatus, wireless terminal accommodation determination method and program
NIPPON TELEGRAPH & TELEPHONE0 citations51
US11546868B2Jan 3, 2023
Wireless communication method, control device, terminal and wireless communication system
NIPPON TELEGRAPH & TELEPHONE0 citations51
US11477099B2Oct 18, 2022
Monitoring system
NIPPON TELEGRAPH & TELEPHONE0 citations51
US11438890B2Sep 6, 2022
Wireless communication method, wireless communication device and wireless communication system for slot allocation
NIPPON TELEGRAPH & TELEPHONE0 citations51
US11432179B2Aug 30, 2022
Environment information acquisition method, environment information acquisition apparatus and environment information acquisition system
NIPPON TELEGRAPH & TELEPHONE0 citations51
US11419113B2Aug 16, 2022
Wireless communication method, control device and wireless communication system
NIPPON TELEGRAPH & TELEPHONE0 citations51
US11412445B2Aug 9, 2022
Access point management method, access point management apparatus, and access point management system
NIPPON TELEGRAPH & TELEPHONE0 citations51
US11395324B2Jul 19, 2022
Wireless communication method, wireless communication system and base station device
NIPPON TELEGRAPH & TELEPHONE0 citations51
US11582766B2Feb 14, 2023
Wireless communication system, communication method, transmitter and receiver
NIPPON TELEGRAPH & TELEPHONE0 citations47
US11528726B2Dec 13, 2022
Wireless communication system, control method, control apparatus, and control program
NIPPON TELEGRAPH & TELEPHONE0 citations47
HITACHI AUTOMOTIVE SYSTEMS LTD
5 patentsUS8965632B2Feb 24, 2015
Suspension control apparatus
HITACHI AUTOMOTIVE SYSTEMS LTD8 citations84
US10012282B2Jul 3, 2018
Shock absorber
HITACHI AUTOMOTIVE SYSTEMS LTD20 citations82
US9309948B2Apr 12, 2016
Shock absorber
HITACHI AUTOMOTIVE SYSTEMS LTD7 citations82
US9856939B2Jan 2, 2018
Shock absorber
HITACHI AUTOMOTIVE SYSTEMS LTD3 citations67
US11261932B2Mar 1, 2022
Shock absorber
HITACHI AUTOMOTIVE SYSTEMS LTD1 citations60