Inventor · disambiguated record
Tomohiro Sakai
Also filed as: SAKAI TOMOHIRO
69 granted patents·17 pending applications·234 citations·filing 1996–2023
98Inventor score
Top patents by PatentIndex Score
86 records- 0193US9450228B2Cathode active material, positive electrode for lithium ion secondary battery, and lithium ion secondary batteryASAHI GLASS CO LTD·Filed 2015·Granted Sep 20, 2016·16 cites·5 claims
- 0290US8882246B2Liquid ejecting head, liquid ejecting apparatus, piezoelectric element, and method of manufacturing piezoelectric elementSEIKO EPSON CORP·Filed 2013·Granted Nov 11, 2014·5 cites·7 claims
- 0389US11165060B2Cathode active material, its production process, and positive electrode for lithium ion secondary batterySUMITOMO CHEMICAL CO·Filed 2017·Granted Nov 2, 2021·2 cites·8 claims
- 0485US11563403B2Coating material, cover glass, solar cell module and outer wall material for buildingAGC INC·Filed 2020·Granted Jan 24, 2023·2 cites·19 claims
- 0585US9356222B2Liquid ejecting head, liquid ejecting apparatus, and piezoelectric elementSEIKO EPSON CORP·Filed 2014·Granted May 31, 2016·3 cites·10 claims
- 0684US9190601B2Piezoelectric material, piezoelectric element, liquid ejecting head, liquid ejecting apparatus, ultrasonic sensor, piezoelectric motor, and power generatorSEIKO EPSON CORP·Filed 2014·Granted Nov 17, 2015·4 cites·23 claims
- 0783US10122013B2Cathode active material and process for its productionSUMITOMO CHEMICAL CO·Filed 2015·Granted Nov 6, 2018·2 cites·14 claims
- 0883US9276193B2Piezoelectric material, piezoelectric element, liquid ejecting head, liquid ejecting apparatus, ultrasonic sensor, piezoelectric motor, and power generatorSEIKO EPSON CORP·Filed 2014·Granted Mar 1, 2016·4 cites·14 claims
- 0981US10003007B2Piezoelectric element, piezoelectric element application device, and method for manufacturing piezoelectric elementSEIKO EPSON CORP·Filed 2016·Granted Jun 19, 2018·3 cites·4 claims
- 1080US10181555B2Piezoelectric element and piezoelectric element applied deviceSEIKO EPSON CORP·Filed 2018·Granted Jan 15, 2019·1 cites·12 claims
- 1180US9324933B2Piezoelectric material, piezoelectric element, liquid ejecting head, liquid ejecting apparatus, ultrasonic sensor, piezoelectric motor, and power generatorSEIKO EPSON CORP·Filed 2014·Granted Apr 26, 2016·3 cites·20 claims
- 1280US7381232B2Process for producing CeO2 fine particles and polishing slurry containing such fine particlesASAHI GLASS CO LTD·Filed 2007·Granted Jun 3, 2008·7 cites·9 claims
- 1379US8820894B2Liquid ejecting head, liquid ejecting apparatus, piezoelectric element, and method for manufacturing the sameSEIKO EPSON CORP·Filed 2013·Granted Sep 2, 2014·2 cites·6 claims
- 1479US7302615B2Method and system for analyzing loop interface failureNEC CORP·Filed 2003·Granted Nov 27, 2007·26 cites·27 claims
- 1577US8794124B2Hydraulic pump or motorIIDA TAKEO·Filed 2011·Granted Aug 5, 2014·4 cites·6 claims
- 1677US8783838B2Liquid ejecting head, liquid ejecting apparatus, and piezoelectric elementSEIKO EPSON CORP·Filed 2013·Granted Jul 22, 2014·2 cites·9 claims
- 1774US8646879B2Piezoelectric element, liquid ejecting head, and liquid ejecting apparatusMIYAZAWA HIROMU·Filed 2012·Granted Feb 11, 2014·2 cites·4 claims
- 1871US7857680B2Method for producing glass substrate for magnetic disk, and magnetic diskASAHI GLASS CO LTD·Filed 2007·Granted Dec 28, 2010·2 cites·15 claims
- 1970US11417828B2Piezoelectric element, piezoelectric element application device, and method of manufacturing piezoelectric elementSEIKO EPSON CORP·Filed 2019·Granted Aug 16, 2022·0 cites·4 claims
- 2069US8721914B2Piezoelectric element, liquid ejecting head, and liquid ejecting apparatusSAKAI TOMOHIRO·Filed 2012·Granted May 13, 2014·1 cites·5 claims
- 2169US6560662B1Time-out processing method and apparatus for SCSI system as well as recording medium on which program is recordedNEC CORP·Filed 2000·Granted May 6, 2003·14 cites·5 claims
- 2268US8636342B2Piezoelectric device, liquid ejecting head, liquid ejecting apparatus, ultrasonic device sensor, and timing deviceSAKAI TOMOHIRO·Filed 2011·Granted Jan 28, 2014·1 cites·15 claims
- 2367US12138926B2Piezoelectric substrate, piezoelectric element and liquid ejection headSEIKO EPSON CORP·Filed 2022·Granted Nov 12, 2024·0 cites·7 claims
- 2467US10186652B2Piezoelectric element and piezoelectric element applied deviceSEIKO EPSON CORP·Filed 2016·Granted Jan 22, 2019·1 cites·4 claims
- 2567US9643859B2Process for producing carbonate compound and cathode active materialASAHI GLASS CO LTD·Filed 2015·Granted May 9, 2017·1 cites·11 claims
- 2666US6989070B2Laser welding methodTOYOTA MOTOR CO LTD·Filed 2003·Granted Jan 24, 2006·7 cites·5 claims
- 2766US6427184B1Disk drive with prefetch and writeback algorithm for sequential and nearly sequential input/output streamsNEC CORP·Filed 1998·Granted Jul 30, 2002·52 cites·13 claims
- 2865US12310242B2Piezoelectric element and liquid ejection headSEIKO EPSON CORP·Filed 2022·Granted May 20, 2025·0 cites·8 claims
- 2965US12206035B2Solar battery module, method for manufacturing same, and construction-use exterior wall material using sameAGC INC·Filed 2022·Granted Jan 21, 2025·0 cites·15 claims
- 3063US5699533AConnection apparatus for magnetic disk deviceNEC CORP·Filed 1996·Granted Dec 16, 1997·44 cites·7 claims
- 3162US12304204B2Piezoelectric body, piezoelectric element, and liquid ejection headSEIKO EPSON CORP·Filed 2022·Granted May 20, 2025·0 cites·6 claims
- 3262US11527699B2Piezoelectric element, liquid discharge head, and printerSEIKO EPSON CORP·Filed 2021·Granted Dec 13, 2022·0 cites·5 claims
- 3362US10355196B2Piezoelectric element, piezoelectric element application device, and method of manufacturing piezoelectric elementSEIKO EPSON CORP·Filed 2016·Granted Jul 16, 2019·0 cites·4 claims
- 3462US7236454B2Loop diagnosis system and method for disk array apparatusesNEC CORP·Filed 2001·Granted Jun 26, 2007·8 cites·16 claims
- 3560US7257675B2Disk array device having snapshot simulation functionNEC CORP·Filed 2004·Granted Aug 14, 2007·7 cites·9 claims
- 3659US7409579B2Disk array device having point value added or subtracted for determining whether device is degradedNEC CORP·Filed 2004·Granted Aug 5, 2008·3 cites·21 claims
- 3758US10608165B2Piezoelectric element and liquid ejecting headSEIKO EPSON CORP·Filed 2018·Granted Mar 31, 2020·0 cites·9 claims
- 3857US12451512B2Glass frit, crystallized glass, method for producing crystallized glass, solid electrolyte, and lithium ion secondary batteryAGC INC·Filed 2021·Granted Oct 21, 2025·0 cites·20 claims
- 3957US2024173976A1Piezoelectric Element And Piezoelectric ActuatorSEIKO EPSON CORP·Filed 2023·Application pending·0 cites
- 4056US9446588B2Liquid ejecting head, liquid ejecting apparatus, and piezoelectric elementSEIKO EPSON CORP·Filed 2014·Granted Sep 20, 2016·0 cites·12 claims
- 4155US12167697B2Piezoelectric element, piezoelectric element application deviceSEIKO EPSON CORP·Filed 2021·Granted Dec 10, 2024·0 cites·4 claims
- 4255US11014357B2Piezoelectric element, liquid discharge head, and printerSEIKO EPSON CORP·Filed 2020·Granted May 25, 2021·0 cites·4 claims
- 4353US11616155B2Cover glass for solar cell module and solar cell moduleAGC INC·Filed 2019·Granted Mar 28, 2023·0 cites·18 claims
- 4453US8991052B2Method of manufacturing liquid ejecting head, method of manufacturing liquid ejecting apparatus and method of manufacturing piezoelectric elementSEIKO EPSON CORP·Filed 2012·Granted Mar 31, 2015·0 cites·5 claims
- 4552US11374162B2Piezoelectric element, method for manufacturing the same, and piezoelectric element-applied deviceSEIKO EPSON CORP·Filed 2018·Granted Jun 28, 2022·0 cites·16 claims
- 4652US10937942B2Piezoelectric element and piezoelectric element-applied deviceSEIKO EPSON CORP·Filed 2018·Granted Mar 2, 2021·0 cites·16 claims
- 4752US10811682B2Cathode active material, positive electrode for lithium ion secondary battery and lithium ion secondary batterySUMITOMO CHEMICAL CO·Filed 2016·Granted Oct 20, 2020·0 cites·11 claims
- 4852US10427981B2Piezoelectric material, method of manufacturing the same, piezoelectric element, and piezoelectric element application deviceSEIKO EPSON CORP·Filed 2014·Granted Oct 1, 2019·0 cites·10 claims
- 4952US10297742B2Piezoelectric element and device including the sameSEIKO EPSON CORP·Filed 2017·Granted May 21, 2019·0 cites·11 claims
- 5052US9150017B2Liquid ejecting head, liquid ejecting apparatus and piezoelectric elementSEIKO EPSON CORP·Filed 2013·Granted Oct 6, 2015·0 cites·13 claims
Showing the top 50 of 86 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →