Inventor · disambiguated record
Hiroki Kawai
Also filed as: KAWAI HIROKI
94 granted patents·37 pending applications·353 citations·filing 1983–2025
99Inventor score
Top patents by PatentIndex Score
131 records- 0197US11300906B2Fixing deviceCANON KK·Filed 2020·Granted Apr 12, 2022·9 cites·8 claims
- 0297US11194275B2Fixing deviceCANON KK·Filed 2020·Granted Dec 7, 2021·9 cites·9 claims
- 0396US11982961B2Fixing deviceCANON KK·Filed 2023·Granted May 14, 2024·3 cites·10 claims
- 0496US11269272B2Fixing device including an endless belt for fixing a toner image on a recording materialCANON KK·Filed 2020·Granted Mar 8, 2022·6 cites·24 claims
- 0596US8989640B2Image forming apparatusCANON KK·Filed 2012·Granted Mar 24, 2015·14 cites·25 claims
- 0696US8918003B2Fixing deviceCANON KK·Filed 2012·Granted Dec 23, 2014·19 cites·19 claims
- 0795US10627751B2Image heating apparatusCANON KK·Filed 2019·Granted Apr 21, 2020·8 cites·20 claims
- 0895US10437185B2Image heating apparatus and image forming apparatus that control a temperature at which energization to a heater is turned off based on a temperature rise rate per unit time of a detection temperatureCANON KK·Filed 2018·Granted Oct 8, 2019·11 cites·15 claims
- 0995US9770826B2Force detecting device, robot, electronic component conveying apparatusSEIKO EPSON CORP·Filed 2014·Granted Sep 26, 2017·11 cites·29 claims
- 1095US8917999B2Image heating apparatus executing a rubbing operation of a rotatable rubbing member on a rotatable heating memberTAKADA SHIGEAKI·Filed 2012·Granted Dec 23, 2014·20 cites·9 claims
- 1194US11569241B2Semiconductor deviceKIOXIA CORP·Filed 2021·Granted Jan 31, 2023·3 cites·6 claims
- 1293US10845742B2Image forming apparatusCANON KK·Filed 2020·Granted Nov 24, 2020·3 cites·15 claims
- 1393US10133219B2Image heating apparatus that detects a crack in a fixing belt based on a difference in detection temperature between a first detector and a second detectorCANON KK·Filed 2018·Granted Nov 20, 2018·5 cites·11 claims
- 1492US10955775B2Fixing apparatus with a temperature sensor detecting a temperature of a surface of a fixing beltCANON KK·Filed 2019·Granted Mar 23, 2021·5 cites·8 claims
- 1592US10731824B2Vehicular lampKOITO MFG CO LTD·Filed 2017·Granted Aug 4, 2020·9 cites·4 claims
- 1692US9410856B2Sensor device, sensor module, force detection device, and robotSEIKO EPSON CORP·Filed 2013·Granted Aug 9, 2016·11 cites·1 claims
- 1792US9329557B2Image forming apparatusCANON KK·Filed 2015·Granted May 3, 2016·5 cites·7 claims
- 1892US8737784B2Optical communication module and optical communication connectorKAWAI HIROKI·Filed 2010·Granted May 27, 2014·17 cites·13 claims
- 1991US11600773B2Selector and non-volatile storage deviceKIOXIA CORP·Filed 2021·Granted Mar 7, 2023·2 cites·18 claims
- 2091US11300904B2Fixing apparatusCANON KK·Filed 2021·Granted Apr 12, 2022·2 cites·7 claims
- 2191US11281141B2Image forming apparatusCANON KK·Filed 2021·Granted Mar 22, 2022·2 cites·19 claims
- 2291US9977385B2Fixing device and image forming apparatus having the sameCANON KK·Filed 2016·Granted May 22, 2018·6 cites·13 claims
- 2391US8929762B2Image heating apparatus with an air feeding device configured to feed air to a belt cooperating with a heating rotatable member to form a nip for heating an image on recording materialSHINAGAWA AKIYOSHI·Filed 2012·Granted Jan 6, 2015·15 cites·14 claims
- 2490US11960224B2Fixing deviceCANON KK·Filed 2023·Granted Apr 16, 2024·1 cites·10 claims
- 2590US11294313B2Image forming apparatusCANON KK·Filed 2021·Granted Apr 5, 2022·2 cites·18 claims
- 2690US9235168B2Image heating apparatusCANON KK·Filed 2014·Granted Jan 12, 2016·5 cites·12 claims
- 2790US8310737B2Image reading apparatusNAGAO YASUHIRO·Filed 2009·Granted Nov 13, 2012·27 cites·5 claims
- 2889US10871735B2Image heating deviceCANON KK·Filed 2019·Granted Dec 22, 2020·3 cites·8 claims
- 2989US9651433B2Force detector, robot, electronic component carrying apparatus, electronic component testing apparatus, part processing apparatus, and moving objectSEIKO EPSON CORP·Filed 2014·Granted May 16, 2017·14 cites·23 claims
- 3088US9127996B2Sensor module, force detecting device, and robotSEIKO EPSON CORP·Filed 2013·Granted Sep 8, 2015·19 cites·8 claims
- 3186US9677953B2Sensor device, sensor module, force detection device, and robotSEIKO EPSON CORP·Filed 2016·Granted Jun 13, 2017·3 cites·2 claims
- 3286US9392642B2Image heating apparatusCANON KK·Filed 2012·Granted Jul 12, 2016·8 cites·6 claims
- 3382US12449749B2Fixing deviceCANON KK·Filed 2024·Granted Oct 21, 2025·0 cites·12 claims
- 3482US10641451B2Vehicle lamp and substrateKOITO MFG CO LTD·Filed 2016·Granted May 5, 2020·3 cites·11 claims
- 3582US10578500B2Force detecting device and robotSEIKO EPSON CORP·Filed 2018·Granted Mar 3, 2020·3 cites·18 claims
- 3682US8390389B2Vibrator element, vibrator, vibration device, electronic apparatus, and frequency adjustment methodKAWAI HIROKI·Filed 2011·Granted Mar 5, 2013·7 cites·15 claims
- 3780US9381647B2Force detection device, robot, and moving objectSEIKO EPSON CORP·Filed 2014·Granted Jul 5, 2016·5 cites·9 claims
- 3880US9091607B2Sensor element, force detecting device, and robotSEIKO EPSON CORP·Filed 2012·Granted Jul 28, 2015·9 cites·20 claims
- 3980US9046432B2Sensor device, sensor module, force sensing apparatus, and robotSEIKO EPSON CORP·Filed 2012·Granted Jun 2, 2015·9 cites·16 claims
- 4079US2025390037A1Fixing deviceCANON KK·Filed 2025·Application pending·0 cites
- 4178US11355694B2Magnetic memory deviceKIOXIA CORP·Filed 2019·Granted Jun 7, 2022·1 cites·18 claims
- 4278US8294337B2Flexural vibration piece, flexural vibrator, and electronic deviceKAWAI HIROKI·Filed 2010·Granted Oct 23, 2012·6 cites·13 claims
- 4377US10309606B2Vehicle lampKOITO MFG CO LTD·Filed 2017·Granted Jun 4, 2019·2 cites·35 claims
- 4474US12222665B2Fixing deviceCANON KK·Filed 2023·Granted Feb 11, 2025·0 cites·8 claims
- 4574US10215649B2Force detector, robot, electronic component carrying apparatus, electronic component testing apparatus, part processing apparatus, and moving objectSEIKO EPSON CORP·Filed 2017·Granted Feb 26, 2019·2 cites·20 claims
- 4674US2025147455A1Fixing deviceCANON KK·Filed 2025·Application pending·0 cites
- 4772US11145810B2Memory deviceTOSHIBA MEMORY CORP·Filed 2019·Granted Oct 12, 2021·1 cites·20 claims
- 4870US11724543B2Pneumatic tireSUMITOMO RUBBER IND·Filed 2021·Granted Aug 15, 2023·0 cites·10 claims
- 4970US11724544B2Pneumatic tireSUMITOMO RUBBER IND·Filed 2021·Granted Aug 15, 2023·0 cites·9 claims
- 5070US11022265B2Vehicular headlightKOITO MFG CO LTD·Filed 2019·Granted Jun 1, 2021·1 cites·6 claims
Showing the top 50 of 131 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →