Inventor · disambiguated record
Kei Yanagisawa
Also filed as: YANAGISAWA KEI
17 granted patents·32 pending applications·47 citations·filing 2002–2025
90Inventor score
Top patents by PatentIndex Score
49 records- 0181US9781719B2Multichannel wireless communication system, base station, and method for using channelHITACHI INT ELECTRIC INC·Filed 2013·Granted Oct 3, 2017·7 cites·9 claims
- 0279US9743412B2Wireless communication systemHITACHI INT ELECTRIC INC·Filed 2014·Granted Aug 22, 2017·5 cites·6 claims
- 0378US2025336298A1Information provision server, information provision method, and recording medium storing programNEC CORP·Filed 2025·Application pending·0 cites
- 0467US9609523B2Relaying operation between base stations using white spaces in wireless access systemHITACHI INT ELECTRIC INC·Filed 2014·Granted Mar 28, 2017·2 cites·2 claims
- 0564US6860759B2Connector and method of mounting a connector housing on a panelSUMITOMO WIRING SYSTEMS·Filed 2002·Granted Mar 1, 2005·14 cites·17 claims
- 0663US12412474B2Information provision server, information provision method, and recording medium storing programNEC CORP·Filed 2020·Granted Sep 9, 2025·0 cites·20 claims
- 0761US12394314B2Parking management apparatus, parking management system, parking management method and non-transitory computer readable mediumNEC CORP·Filed 2021·Granted Aug 19, 2025·0 cites·18 claims
- 0860US12367762B2Information provision apparatus, system, method and computer readable mediumNEC CORP·Filed 2021·Granted Jul 22, 2025·0 cites·18 claims
- 0954US12431020B2Boarding support system, boarding support method and program recording mediumNEC CORP·Filed 2021·Granted Sep 30, 2025·0 cites·18 claims
- 1053US6520786B2ConnectorSUMITOMO WIRING SYSTEMS·Filed 2002·Granted Feb 18, 2003·8 cites·8 claims
- 1152US6679720B2Connector and a method for assembling a connectorSUMITOMO WIRING SYSTEMS·Filed 2002·Granted Jan 20, 2004·7 cites·13 claims
- 1251US12475783B2Signal control system, signal control method, and program recording mediumNEC CORP·Filed 2021·Granted Nov 18, 2025·0 cites·20 claims
- 1350US12266193B2Data collection apparatus, onboard apparatus, data collection method, data transmission method, and program recording mediumNEC CORP·Filed 2021·Granted Apr 1, 2025·0 cites·12 claims
- 1450US2024322967A1Wireless communication control apparatus, wireless communication system, wireless communication control method, and programNEC CORP·Filed 2024·Application pending·0 cites
- 1550US2025240609A1Communication control system, communication control apparatus, and communication control methodNEC CORP·Filed 2021·Application pending·0 cites
- 1650US2024340739A1Management system, management apparatus, and management methodNEC CORP·Filed 2021·Application pending·0 cites
- 1749US9713171B2Selecting white space frequency based on preamble cycle lengthHITACHI INT ELECTRIC INC·Filed 2014·Granted Jul 18, 2017·0 cites·8 claims
- 1849US2025016437A1Important area specification system, important area specification device, important area specification method, and programNEC CORP·Filed 2021·Application pending·0 cites
- 1949US2025088832A1Server device, information communication system, information communication method, and programNEC CORP·Filed 2022·Application pending·0 cites
- 2049US2024062257A1Parking management apparatus, parking management system, parking management method, and non-transitory computer-readable mediumNEC CORP·Filed 2021·Application pending·0 cites
- 2148US2025201115A1Communication system, communication method, and storage mediumNEC CORP·Filed 2021·Application pending·0 cites
- 2248US2025234173A1Information communication apparatus, information communication system, information communication method, and storage mediumNEC CORP·Filed 2022·Application pending·0 cites
- 2347US2024144300A1Characteristic information generating apparatus, system, method, and computer-readable mediumNEC CORP·Filed 2021·Application pending·0 cites
- 2447US2024310183A1Parking lot guidance apparatus, system, method and computer readable mediumNEC CORP·Filed 2021·Application pending·0 cites
- 2547US2024242603A1Traffic control apparatus, system, method, and computer readable mediumNEC CORP·Filed 2021·Application pending·0 cites
- 2647US2024292187A1Information providing system, information providing method and program recording mediumNEC CORP·Filed 2021·Application pending·0 cites
- 2746US6659785B2ConnectorSUMITOMO WIRING SYSTEMS·Filed 2002·Granted Dec 9, 2003·4 cites·11 claims
- 2846US2024169723A1Information providing system, information providing method and program recording mediumNEC CORP·Filed 2021·Application pending·0 cites
- 2946US2024169460A1Boarding assistance system, boarding assistance method, and recording medium recording programNEC CORP·Filed 2021·Application pending·0 cites
- 3046US2024175680A1Road inspection system, measurement vehicle, server, road inspection method, and program recording mediumNEC CORP·Filed 2021·Application pending·0 cites
- 3146US2024152979A1Electronic currency system, electronic currency value determination apparatus, method, and computer-readable mediumNEC CORP·Filed 2021·Application pending·0 cites
- 3246US2024153276A1Information processing apparatus, information processing method, information processing system, and computer readable mediumNEC CORP·Filed 2021·Application pending·0 cites
- 3346US2024161626A1Passenger information collection system, passenger information collection method and program recording mediumNEC CORP·Filed 2021·Application pending·0 cites
- 3445US2024175693A1Evacuation route guidance system, evacuation route creation method, and recording medium recording programNEC CORP·Filed 2021·Application pending·0 cites
- 3545US2024129849A1Communication system, communication control apparatus, communication control method, and computer-readable mediumNEC CORP·Filed 2021·Application pending·0 cites
- 3645US2024038062A1Information provision apparatus, information provision method, and programNEC CORP·Filed 2020·Application pending·0 cites
- 3745US2024196320A1Communication terminal, signal control apparatus, control method for communication terminal, and program recording mediumNEC CORP·Filed 2021·Application pending·0 cites
- 3845US2024147203A1Server, communication system, and methodNEC CORP·Filed 2021·Application pending·0 cites
- 3944US9661644B2Wireless communication systemHITACHI INT ELECTRIC INC·Filed 2014·Granted May 23, 2017·0 cites·5 claims
- 4044US2024127350A1Information processing apparatus, information processing method, information processing system, and computer readable mediumNEC CORP·Filed 2021·Application pending·0 cites
- 4144US2024153010A1Information processing apparatus, information processing method, information processing system, and computer readable mediumNEC CORP·Filed 2021·Application pending·0 cites
- 4244US2024035239A1Road inspection system, road inspection method and program recording mediumNEC CORP·Filed 2020·Application pending·0 cites
- 4344US2024430321A1Service control system, device, and methodNEC CORP·Filed 2021·Application pending·0 cites
- 4443US2024163781A1Communication system, communication device, and communication methodNEC CORP·Filed 2021·Application pending·0 cites
- 4543US2024323757A1Communication system, relay device, and relay methodNEC CORP·Filed 2021·Application pending·0 cites
- 4641US2023306130A1Information processing system, information processing method, and program recording mediumNEC CORP·Filed 2020·Application pending·0 cites
- 4740US9049726B2Heterogeneous-systems coexistence method and wireless gateway apparatusHITACHI INT ELECTRIC INC·Filed 2013·Granted Jun 2, 2015·0 cites·8 claims
- 4837US2024179096A1Vehicle-mounted apparatus, control server, method for collecting measurement data and program recording mediumNEC CORP·Filed 2021·Application pending·0 cites
- 4935US10374688B2Wireless communication system and wireless communication methodHITACHI INT ELECTRIC INC·Filed 2015·Granted Aug 6, 2019·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →