Inventor · disambiguated record
Yukimasa Nagai
Also filed as: NAGAI YUKIMASA
31 granted patents·10 pending applications·301 citations·filing 1994–2025
96Inventor score
Files withMITSUBISHI ELECTRIC CORP14MITSUBISHI ELECTRIC RES LABORATORIES INC13NAGAI YUKIMASA6SANDEN CORP3HIRAI HIROAKI1
Top patents by PatentIndex Score
41 records- 0197US10361835B2System for coexistence of Wi-Fi HaLow network and low-rate wireless personal area network (LR-WPAN)MITSUBISHI ELECTRIC RES LABORATORIES INC·Filed 2017·Granted Jul 23, 2019·22 cites·20 claims
- 0296US10523478B1System and method for generating high speed digitized-RF signalsMITSUBISHI ELECTRIC RES LABORATORIES INC·Filed 2018·Granted Dec 31, 2019·37 cites·9 claims
- 0394US11622384B2Hybrid carrier sense multiple access system with collision avoidance for IEEE 802.15.4 to achieve better coexistence with IEEE 802.11MITSUBISHI ELECTRIC RES LABORATORIES INC·Filed 2020·Granted Apr 4, 2023·4 cites·20 claims
- 0492US8452310B1Method for generating coverage maps for wireless networks with mobile devicesORLIK PHILIP·Filed 2012·Granted May 28, 2013·20 cites·12 claims
- 0591US8238835B2Wireless communication system, wireless terminal station, wireless base station, and wireless communication methodNAGAI YUKIMASA·Filed 2007·Granted Aug 7, 2012·38 cites·20 claims
- 0690US7474676B2Frame aggregation in wireless communications networksMITSUBISHI ELECTRIC RES LAB·Filed 2004·Granted Jan 6, 2009·69 cites·17 claims
- 0787US8325701B2Radio communication system and radio communication methodYAMAUCHI TAKAHISA·Filed 2007·Granted Dec 4, 2012·25 cites·12 claims
- 0885US8958456B2Wireless communication device, wireless communication system, and frequency allocation methodNAGAI YUKIMASA·Filed 2012·Granted Feb 17, 2015·8 cites·15 claims
- 0982US11166315B2Hybrid carrier sense multiple access system with collision avoidance for IEEE 802.15.4 to achieve better coexistence with IEEE 802.11MITSUBISHI ELECTRIC RES LABORATORIES INC·Filed 2019·Granted Nov 2, 2021·3 cites·20 claims
- 1076US7720502B2Radio device and interference avoiding method by transmission power controlMITSUBISHI ELECTRIC CORP·Filed 2005·Granted May 18, 2010·8 cites·14 claims
- 1174US12213177B2Suspendable CSMA/CA for IEEE 802.15.4 system to reduce packet discard caused by backoff failureMITSUBISHI ELECTRIC RES LABORATORIES INC·Filed 2023·Granted Jan 28, 2025·0 cites·20 claims
- 1273US12289763B2Suspendable CSMA/CA for IEEE 802.15.4 system to reduce packet discard caused by backoff failureMITSUBISHI ELECTRIC CORP·Filed 2023·Granted Apr 29, 2025·0 cites·20 claims
- 1368US9258760B2Radio communication apparatusNAGAI YUKIMASA·Filed 2012·Granted Feb 9, 2016·3 cites·7 claims
- 1466US5560464AElectromagnetic clutchSANDEN CORP·Filed 1994·Granted Oct 1, 1996·17 cites·3 claims
- 1561US2025261183A1Multipath TCP Over Multi-Hop Heterogeneous Wireless IoT NetworksMITSUBISHI ELECTRIC RES LABORATORIES INC·Filed 2024·Application pending·0 cites
- 1661US2025261251A1Communication device, communication method, non-transitory storage medium storing communication program, and communication systemMITSUBISHI ELECTRIC CORP·Filed 2025·Application pending·0 cites
- 1760US8537792B2Terminal control apparatus and radio LAN systemNAGAI YUKIMASA·Filed 2006·Granted Sep 17, 2013·2 cites·13 claims
- 1860US7508809B2Base station and radio terminalMITSUBISHI ELECTRIC CORP·Filed 2004·Granted Mar 24, 2009·8 cites·46 claims
- 1959US10516420B1High speed digital bit generator for optical frontal interfaceMITSUBISHI ELECTRIC RES LABORATORIES INC·Filed 2018·Granted Dec 24, 2019·1 cites·8 claims
- 2056US7889058B2Radio-tag reading system, radio-tag reader, and radio tagMITSUBISHI ELECTRIC CORP·Filed 2004·Granted Feb 15, 2011·6 cites·21 claims
- 2155US11985705B2System and method for active carrier sense based CSMA/CA for IEEE 802.15.4 system to avoid packet discard caused by interferenceMITSUBISHI ELECTRIC RES LABORATORIES INC·Filed 2021·Granted May 14, 2024·0 cites·22 claims
- 2255US5575371AElectromagnetic clutchSANDEN CORP·Filed 1995·Granted Nov 19, 1996·12 cites·3 claims
- 2354US2025158917A1Multi-Topology Routing in Next Generation IoT NetworksMITSUBISHI ELECTRIC RES LABORATORIES INC·Filed 2024·Application pending·0 cites
- 2452US7768401B2Place-status management system, radio tag reader, and managing apparatusMITSUBISHI ELECTRIC CORP·Filed 2004·Granted Aug 3, 2010·9 cites·8 claims
- 2551US11595874B2Routing data in wireless network that coexists with interfering wireless networksMITSUBISHI ELECTRIC RES LABORATORIES INC·Filed 2021·Granted Feb 28, 2023·0 cites·21 claims
- 2648US12063707B2Active cross-technology neighbor discoveryMITSUBISHI ELECTRIC RES LABORATORIES INC·Filed 2022·Granted Aug 13, 2024·0 cites·27 claims
- 2748US7751424B2Method and apparatus for packet transmission in carrier-sense-multiple-access networkMITSUBISHI ELECTRIC CORP·Filed 2004·Granted Jul 6, 2010·1 cites·30 claims
- 2846US12127251B2Hybrid carrier sense multiple access system with collision avoidance for IEEE 802.15.4 to achieve better coexistence with IEEE 802.11MITSUBISHI ELECTRIC RES LABORATORIES INC·Filed 2021·Granted Oct 22, 2024·0 cites·19 claims
- 2945US2011243117A1Base station and wireless terminalNAGAI YUKIMASA·Filed 2011·Application pending·0 cites
- 3044US2007165670A1Base station and wireless terminalNAGAI YUKIMASA·Filed 2004·Application pending·0 cites
- 3144US2009125778A1Communication system, transmission-side communication device, and reception-side communication deviceMITSUBISHI ELECTRIC CORP·Filed 2006·Application pending·0 cites
- 3244US2006121921A1Transmitter apparatus, receiver apparatus and radio communication apparatusMITSUBISHI ELECTRIC CORP·Filed 2004·Application pending·0 cites
- 3343US7194240B2Radio communication apparatusMITSUBISHI ELECTRIC CORP·Filed 2004·Granted Mar 20, 2007·1 cites·21 claims
- 3441US10263960B2Wireless communication system and wireless communication methodMITSUBISHI ELECTRIC CORP·Filed 2014·Granted Apr 16, 2019·0 cites·10 claims
- 3540US10111164B2Wireless communication system and wireless communication methodMITSUBISHI ELECTRIC CORP·Filed 2014·Granted Oct 23, 2018·0 cites·18 claims
- 3639US5575370AElectromagnetic clutchSANDEN CORP·Filed 1995·Granted Nov 19, 1996·7 cites·3 claims
- 3738US2007155393A1Radio communication apparatusHIRAI HIROAKI·Filed 2007·Application pending·0 cites
- 3836US10560126B2Mixed-mode millimeter-wave transmitterMITSUBISHI ELECTRIC RES LABORATORIES INC·Filed 2018·Granted Feb 11, 2020·0 cites·9 claims
- 3936US10034162B2Radio communication system and radio communication apparatusMITSUBISHI ELECTRIC CORP·Filed 2015·Granted Jul 24, 2018·0 cites·13 claims
- 4030US2013010830A1Radio communication apparatus and radio communication methodMITSUBISHI ELECTRIC CORP·Filed 2010·Application pending·0 cites
- 4124US2013169481A1Wireless communication apparatus and wireless communication methodTAKATSUKA YUYA·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →