Inventor · disambiguated record
Takatoshi Sekizawa
Also filed as: SEKIZAWA TAKATOSHI
61 granted patents·4 pending applications·80 citations·filing 2005–2022
97Inventor score
Top patents by PatentIndex Score
65 records- 0196US11833862B2Tire pressure monitoring system including tire side and vehicle side devicesDENSO CORP·Filed 2021·Granted Dec 5, 2023·2 cites·7 claims
- 0295US11731466B2Tire 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 unitDENSO CORP·Filed 2021·Granted Aug 22, 2023·2 cites·12 claims
- 0395US10726714B2Wheel position detecting deviceDENSO CORP·Filed 2017·Granted Jul 28, 2020·6 cites·6 claims
- 0489US11376901B2Road surface condition determination device performing sensing based on different sensing conditionsDENSO CORP·Filed 2020·Granted Jul 5, 2022·2 cites·13 claims
- 0589US11065920B2Tire-mounted sensor, diagnosis history memory device and diagnosis notification deviceDENSO CORP·Filed 2017·Granted Jul 20, 2021·2 cites·11 claims
- 0689US10858009B2Tire-mounted sensor and road surface condition estimation apparatus including the sameDENSO CORP·Filed 2019·Granted Dec 8, 2020·4 cites·11 claims
- 0787US11565705B2Road surface state determination deviceDENSO CORP·Filed 2020·Granted Jan 31, 2023·1 cites·10 claims
- 0887US11198336B2Transmission and receiving arrangement for a tire pressure detection deviceDENSO CORP·Filed 2020·Granted Dec 14, 2021·1 cites·6 claims
- 0986US10773718B2Vehicle risk avoidance deviceDENSO CORP·Filed 2017·Granted Sep 15, 2020·2 cites·7 claims
- 1086US10099699B2Road surface condition estimation deviceDENSO CORP·Filed 2015·Granted Oct 16, 2018·2 cites·6 claims
- 1186US9713944B2Tire condition detection deviceDENSO CORP·Filed 2015·Granted Jul 25, 2017·2 cites·5 claims
- 1286US9434217B2Wheel position detection apparatus and tire air pressure detection apparatus having the sameDENSO CORP·Filed 2013·Granted Sep 6, 2016·5 cites·4 claims
- 1385US10866161B2Road surface condition estimation apparatusDENSO CORP·Filed 2018·Granted Dec 15, 2020·1 cites·8 claims
- 1485US8723662B2Tire pressure detecting apparatus having wheel position detection functionDENSO CORP·Filed 2013·Granted May 13, 2014·4 cites·4 claims
- 1584US11142210B2Road surface state estimation deviceDENSO CORP·Filed 2017·Granted Oct 12, 2021·3 cites·12 claims
- 1684US9186938B2Wheel position detector and tire inflation pressure detector having the sameDENSO CORP·Filed 2013·Granted Nov 17, 2015·4 cites·8 claims
- 1782US10688837B2Tire-mounted sensor and sensor device used for sameDENSO CORP·Filed 2016·Granted Jun 23, 2020·3 cites·6 claims
- 1881US11549809B2Road surface state determination device and tire systemDENSO CORP·Filed 2020·Granted Jan 10, 2023·1 cites·11 claims
- 1981US9539867B2Wheel position detector and tire inflation pressure detector having the sameDENSO CORP·Filed 2012·Granted Jan 10, 2017·3 cites·5 claims
- 2078US11467028B2Road surface state determination deviceDENSO CORP·Filed 2020·Granted Oct 11, 2022·1 cites·9 claims
- 2178US7224268B2Vehicle positioning control apparatusDENSO CORP·Filed 2005·Granted May 29, 2007·5 cites·7 claims
- 2276US9290068B2Wheel position detector and tire inflation pressure detector having the sameDENSO CORP·Filed 2012·Granted Mar 22, 2016·2 cites·5 claims
- 2374US6954141B2Apparatus and method for tire monitoring systemDENSO CORP·Filed 2005·Granted Oct 11, 2005·4 cites·8 claims
- 2473US7948365B2Tire air pressure monitoring systemDENSO CORP·Filed 2009·Granted May 24, 2011·3 cites·5 claims
- 2572US9827815B2Tire deviceDENSO CORP·Filed 2014·Granted Nov 28, 2017·1 cites·9 claims
- 2672US9637086B2Smart systemDENSO CORP·Filed 2013·Granted May 2, 2017·5 cites·10 claims
- 2768US10661617B2Tire mount sensorDENSO CORP·Filed 2016·Granted May 26, 2020·2 cites·7 claims
- 2867US10946861B2Hydroplaning determination deviceDENSO CORP·Filed 2017·Granted Mar 16, 2021·1 cites·9 claims
- 2963US9592710B2Wheel position detecting device and tire pressure detecting apparatus having the sameDENSO CORP·Filed 2013·Granted Mar 14, 2017·1 cites·9 claims
- 3062US11833864B2Tire pressure monitoring systemDENSO CORP·Filed 2021·Granted Dec 5, 2023·0 cites·7 claims
- 3160US10471959B2Vehicle control deviceDENSO CORP·Filed 2015·Granted Nov 12, 2019·1 cites·3 claims
- 3260US10029681B2Vehicle erroneous start control deviceDENSO CORP·Filed 2015·Granted Jul 24, 2018·1 cites·4 claims
- 3359US11872856B2Wheel position detection apparatus and tire pneumatic pressure monitoring system including sameDENSO CORP·Filed 2021·Granted Jan 16, 2024·0 cites·7 claims
- 3459US11371880B2Road surface condition determination deviceDENSO CORP·Filed 2020·Granted Jun 28, 2022·0 cites·19 claims
- 3559US9531340B2Communication device and method of adjusting applied voltage for matching circuitDENSO CORP·Filed 2013·Granted Dec 27, 2016·1 cites·5 claims
- 3658US11565704B2Road surface condition estimation deviceDENSO CORP·Filed 2017·Granted Jan 31, 2023·0 cites·6 claims
- 3758US11549808B2Road surface condition determining device, and tire system provided with sameDENSO CORP·Filed 2020·Granted Jan 10, 2023·0 cites·7 claims
- 3858US10605780B2Road surface condition estimation deviceDENSO CORP·Filed 2016·Granted Mar 31, 2020·0 cites·2 claims
- 3958US10086842B2Road surface condition estimation deviceDENSO CORP·Filed 2015·Granted Oct 2, 2018·1 cites·3 claims
- 4057US10328901B2User identification system and vehicular portable deviceDENSO CORP·Filed 2016·Granted Jun 25, 2019·1 cites·14 claims
- 4154US12252132B2Road surface state determination device and tire system including sameDENSO CORP·Filed 2020·Granted Mar 18, 2025·0 cites·17 claims
- 4254US11846502B2Tire deviceDENSO CORP·Filed 2022·Granted Dec 19, 2023·0 cites·15 claims
- 4354US11841219B2Tire side device and road surface condition determination device containing sameDENSO CORP·Filed 2022·Granted Dec 12, 2023·0 cites·13 claims
- 4454US8155618B2Receiving device for frequency modulated signals with voltage-limited reference input to demodulated signal binarization comparatorKATO HIRONORI·Filed 2008·Granted Apr 10, 2012·0 cites·11 claims
- 4552US12145407B2Tire wear detection apparatusDENSO CORP·Filed 2021·Granted Nov 19, 2024·0 cites·14 claims
- 4652US11578972B2Tire-side device and tire apparatus including the sameDENSO CORP·Filed 2019·Granted Feb 14, 2023·0 cites·5 claims
- 4751US11498571B2Road surface state estimation deviceDENSO CORP·Filed 2020·Granted Nov 15, 2022·0 cites·10 claims
- 4850US11463024B2Power generation deviceDENSO CORP·Filed 2019·Granted Oct 4, 2022·0 cites·10 claims
- 4950US11243303B2Portable terminal position detection apparatusDENSO CORP·Filed 2020·Granted Feb 8, 2022·0 cites·8 claims
- 5049US11639869B2Road surface condition identification apparatusDENSO CORP·Filed 2020·Granted May 2, 2023·0 cites·8 claims
Showing the top 50 of 65 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →