Inventor
SEKIZAWA TAKATOSHI
JP61 patents
Patents
50 patentsUS11833862B2Dec 5, 2023
Tire pressure monitoring system including tire side and vehicle side devices
DENSO CORP2 citations73
US11731466B2Aug 22, 2023
Tire wear detection apparatus having a signal processor in the tire side apparatus including a state detection unit and level acquisition unit and/or level calculaton unit
DENSO CORP2 citations73
US11376901B2Jul 5, 2022
Road surface condition determination device performing sensing based on different sensing conditions
DENSO CORP2 citations73
US10688837B2Jun 23, 2020
Tire-mounted sensor and sensor device used for same
DENSO CORP3 citations73
US10099699B2Oct 16, 2018
Road surface condition estimation device
DENSO CORP2 citations73
US9713944B2Jul 25, 2017
Tire condition detection device
DENSO CORP2 citations73
US9539867B2Jan 10, 2017
Wheel position detector and tire inflation pressure detector having the same
DENSO CORP3 citations73
US9186938B2Nov 17, 2015
Wheel position detector and tire inflation pressure detector having the same
DENSO CORP4 citations73
US8723662B2May 13, 2014
Tire pressure detecting apparatus having wheel position detection function
DENSO CORP4 citations73
US11142210B2Oct 12, 2021
Road surface state estimation device
DENSO CORP3 citations72
US11065920B2Jul 20, 2021
Tire-mounted sensor, diagnosis history memory device and diagnosis notification device
DENSO CORP2 citations72
US10858009B2Dec 8, 2020
Tire-mounted sensor and road surface condition estimation apparatus including the same
DENSO CORP4 citations72
US10726714B2Jul 28, 2020
Wheel position detecting device
DENSO CORP6 citations72
US9637086B2May 2, 2017
Smart system
DENSO CORP5 citations72
US9434217B2Sep 6, 2016
Wheel position detection apparatus and tire air pressure detection apparatus having the same
DENSO CORP5 citations72
US10773718B2Sep 15, 2020
Vehicle risk avoidance device
DENSO CORP2 citations71
US10661617B2May 26, 2020
Tire mount sensor
DENSO CORP2 citations71
US9290068B2Mar 22, 2016
Wheel position detector and tire inflation pressure detector having the same
DENSO CORP2 citations63
US7948365B2May 24, 2011
Tire air pressure monitoring system
DENSO CORP3 citations63
US7224268B2May 29, 2007
Vehicle positioning control apparatus
DENSO CORP5 citations63
US6954141B2Oct 11, 2005
Apparatus and method for tire monitoring system
DENSO CORP4 citations63
US11565705B2Jan 31, 2023
Road surface state determination device
DENSO CORP1 citations62
US11549809B2Jan 10, 2023
Road surface state determination device and tire system
DENSO CORP1 citations62
US11198336B2Dec 14, 2021
Transmission and receiving arrangement for a tire pressure detection device
DENSO CORP1 citations62
US10946861B2Mar 16, 2021
Hydroplaning determination device
DENSO CORP1 citations62
US10866161B2Dec 15, 2020
Road surface condition estimation apparatus
DENSO CORP1 citations62
US10471959B2Nov 12, 2019
Vehicle control device
DENSO CORP1 citations62
US10328901B2Jun 25, 2019
User identification system and vehicular portable device
DENSO CORP1 citations61
US11467028B2Oct 11, 2022
Road surface state determination device
DENSO CORP1 citations60
US12252132B2Mar 18, 2025
Road surface state determination device and tire system including same
DENSO CORP0 citations52
US12145407B2Nov 19, 2024
Tire wear detection apparatus
DENSO CORP0 citations52
US11872856B2Jan 16, 2024
Wheel position detection apparatus and tire pneumatic pressure monitoring system including same
DENSO CORP0 citations52
US11578972B2Feb 14, 2023
Tire-side device and tire apparatus including the same
DENSO CORP0 citations52
US11549808B2Jan 10, 2023
Road surface condition determining device, and tire system provided with same
DENSO CORP0 citations52
US11498571B2Nov 15, 2022
Road surface state estimation device
DENSO CORP0 citations52
US10086842B2Oct 2, 2018
Road surface condition estimation device
DENSO CORP1 citations52
US10029681B2Jul 24, 2018
Vehicle erroneous start control device
DENSO CORP1 citations52
US9827815B2Nov 28, 2017
Tire device
DENSO CORP1 citations52
US9592710B2Mar 14, 2017
Wheel position detecting device and tire pressure detecting apparatus having the same
DENSO CORP1 citations52
US9531340B2Dec 27, 2016
Communication device and method of adjusting applied voltage for matching circuit
DENSO CORP1 citations52
US11833864B2Dec 5, 2023
Tire pressure monitoring system
DENSO CORP0 citations51
US11639869B2May 2, 2023
Road surface condition identification apparatus
DENSO CORP0 citations51
US11565704B2Jan 31, 2023
Road surface condition estimation device
DENSO CORP0 citations51
US11034356B2Jun 15, 2021
Tire-mounted sensor and road surface condition estimation apparatus including the same
DENSO CORP0 citations51
US11846502B2Dec 19, 2023
Tire device
DENSO CORP0 citations50
US11841219B2Dec 12, 2023
Tire side device and road surface condition determination device containing same
DENSO CORP0 citations50
US11654730B2May 23, 2023
Tire system
DENSO CORP0 citations50
US11560110B2Jan 24, 2023
Collision detecting device
DENSO CORP0 citations50
US11463024B2Oct 4, 2022
Power generation device
DENSO CORP0 citations50
US11371880B2Jun 28, 2022
Road surface condition determination device
DENSO CORP0 citations50
Showing the top 50 of 61 patents by PatentIndex Score.