Inventor · disambiguated record
Tetsuhiro Ishikawa
Also filed as: ISHIKAWA TETSUHIRO
117 granted patents·24 pending applications·1,404 citations·filing 2000–2025
99Inventor score
Files withTOYOTA MOTOR CO LTD60FUJITSU COMPONENT LTD39ICHIKAWA SHINJI8TAKADA KAZUYOSHI5TONEGAWA HIROMI5
Top patents by PatentIndex Score
141 records- 0197US8008888B2Electrical powered vehicle and power feeding device for vehicleTOYOTA MOTOR CO LTD·Filed 2008·Granted Aug 30, 2011·80 cites·8 claims
- 0296US7649335B2Vehicular power supply system and vehicleTOYOTA MOTOR CO LTD·Filed 2006·Granted Jan 19, 2010·42 cites·13 claims
- 0393US9724947B2PrinterFUJITSU COMPONENT LTD·Filed 2016·Granted Aug 8, 2017·5 cites·11 claims
- 0493US8368352B2Charging and discharging system and electric-powered vehicleTOYOTA MOTOR CO LTD·Filed 2009·Granted Feb 5, 2013·19 cites·8 claims
- 0593US7486036B2Power control apparatus, electrically powered vehicle and power control method of power systemTOYOTA MOTOR CO LTD·Filed 2006·Granted Feb 3, 2009·46 cites·20 claims
- 0692US7582979B2Electric power supply systemTOYOTA MOTOR CO LTD·Filed 2006·Granted Sep 1, 2009·51 cites·10 claims
- 0791US9079438B1PrinterFUJITSU COMPONENT LTD·Filed 2015·Granted Jul 14, 2015·4 cites·7 claims
- 0891US8103386B2Power systemICHIKAWA SHINJI·Filed 2007·Granted Jan 24, 2012·40 cites·7 claims
- 0990US8515607B2Hybrid vehicle controllerAMANO YASUSHI·Filed 2011·Granted Aug 20, 2013·18 cites·13 claims
- 1090US8011844B2Printer having detecting arm for detecting near-end state of paper rollFUJITSU COMPONENT LTD·Filed 2007·Granted Sep 6, 2011·12 cites·10 claims
- 1190US7764051B2Alternating voltage generation apparatus and power output apparatusTOYOTA MOTOR CO LTD·Filed 2005·Granted Jul 27, 2010·33 cites·14 claims
- 1290US7550861B2AC power supplying system, power supply apparatus, and vehicle having the sameTOYOTA MOTOR CO LTD·Filed 2005·Granted Jun 23, 2009·37 cites·16 claims
- 1389US11370239B2PrinterFUJITSU COMPONENT LTD·Filed 2019·Granted Jun 28, 2022·2 cites·4 claims
- 1489US8346603B2Ecological-point management systemTOYOTA MOTOR CO LTD·Filed 2008·Granted Jan 1, 2013·29 cites·16 claims
- 1589US8212520B2Resonance type non-contact charging deviceTAKADA KAZUYOSHI·Filed 2009·Granted Jul 3, 2012·25 cites·10 claims
- 1689US8188710B2Motored vehicle and method of controlling voltage conversion device for rapidly charging a power storage deviceICHIKAWA SHINJI·Filed 2007·Granted May 29, 2012·34 cites·15 claims
- 1789US7891451B2Power controller and vehicle equipped with power controllerTOYOTA MOTOR CO LTD·Filed 2007·Granted Feb 22, 2011·40 cites·22 claims
- 1889US7795844B2Power supply system, vehicle with the same and temperature managing methodTOYOTA MOTOR CO LTD·Filed 2007·Granted Sep 14, 2010·42 cites·23 claims
- 1989US7398844B2Hybrid vehicleTOYOTA MOTOR CO LTD·Filed 2006·Granted Jul 15, 2008·22 cites·4 claims
- 2089US6920948B2DC power supply using fuel cellTOYODA JIDOSHA KABUSHIKI KAISH·Filed 2001·Granted Jul 26, 2005·44 cites·17 claims
- 2188US8421411B2Resonance type non-contact charging deviceTAKADA KAZUYOSHI·Filed 2012·Granted Apr 16, 2013·10 cites·19 claims
- 2288US8421410B2Resonance type non-contact charging deviceTAKADA KAZUYOSHI·Filed 2012·Granted Apr 16, 2013·10 cites·14 claims
- 2388US7859201B2Charge control apparatus, electrically powered vehicle and electric storage charge control methodTOYOTA MOTOR CO LTD·Filed 2006·Granted Dec 28, 2010·22 cites·14 claims
- 2487US9610786B2Printer and method of controlling printerFUJITSU COMPONENT LTD·Filed 2016·Granted Apr 4, 2017·2 cites·1 claims
- 2587US9024575B2Electrical powered vehicle and power feeding device for vehicleOYOBE HICHIROSAI·Filed 2011·Granted May 5, 2015·9 cites·18 claims
- 2687US8063605B2Charging device for an electric vehicle, electric vehicle equipped with the charging device and control method for charging an electric vehicleTONEGAWA HIROMI·Filed 2006·Granted Nov 22, 2011·33 cites·17 claims
- 2787US7764044B2Motor driving apparatus capable of driving motor with reliabilityTOYOTA MOTOR CO LTD·Filed 2005·Granted Jul 27, 2010·21 cites·5 claims
- 2886US10556454B2PrinterFUJITSU COMPONENT LTD·Filed 2016·Granted Feb 11, 2020·2 cites·5 claims
- 2986USD602433SBattery connector for automotiveYAZAKI CORP·Filed 2008·Granted Oct 20, 2009·34 cites·1 claims
- 3086US7265455B2Alternating voltage output apparatus and vehicle including such alternating voltage output apparatusAISIN AW CO·Filed 2005·Granted Sep 4, 2007·29 cites·5 claims
- 3185US9688085B2PrinterFUJITSU COMPONENT LTD·Filed 2016·Granted Jun 27, 2017·3 cites·10 claims
- 3285US7609022B2Power supply system for vehicle with improved energy efficiency and vehicle including the sameTOYOTA MOTOR CO LTD·Filed 2005·Granted Oct 27, 2009·24 cites·16 claims
- 3384US8058836B2Power system and method for supplying AC powerICHIKAWA SHINJI·Filed 2007·Granted Nov 15, 2011·22 cites·15 claims
- 3484USD603337SBattery connector for automobileYAZAKI CORP·Filed 2008·Granted Nov 3, 2009·30 cites·1 claims
- 3583US12322232B2Knob holding structure and smart lockFCL COMPONENT LTD·Filed 2023·Granted Jun 3, 2025·1 cites·5 claims
- 3683US9186904B2PrinterFUJITSU COMPONENT LTD·Filed 2014·Granted Nov 17, 2015·3 cites·17 claims
- 3783US7956489B2Power supply system and vehicle including the sameTOYOTA MOTOR CO LTD·Filed 2007·Granted Jun 7, 2011·16 cites·29 claims
- 3883US7196492B2Power supply apparatus including fuel cell and capacitor, and operation method thereofTOYOTA MOTOR CO LTD·Filed 2002·Granted Mar 27, 2007·25 cites·24 claims
- 3983US6930460B2Load driver with power storage unitTOYOTA MOTOR CO LTD·Filed 2003·Granted Aug 16, 2005·56 cites·8 claims
- 4082US10843490B2Printer including guide roller with roller part that rotates in contact with recording sheetFUJITSU COMPONENT LTD·Filed 2019·Granted Nov 24, 2020·1 cites·7 claims
- 4182US8473132B2Vehicle and method for controlling the sameICHIKAWA SHINJI·Filed 2009·Granted Jun 25, 2013·15 cites·6 claims
- 4281US7688604B2AC voltage output apparatus and hybrid vehicle including the sameTOYOTA MOTOR CO LTD·Filed 2006·Granted Mar 30, 2010·19 cites·17 claims
- 4379US8909390B2Preliminary air conditioning systemTONEGAWA HIROMI·Filed 2011·Granted Dec 9, 2014·8 cites·11 claims
- 4479US8340849B2Hybrid vehicle controllerAMANO YASUSHI·Filed 2007·Granted Dec 25, 2012·16 cites·14 claims
- 4579US7561389B2Alternating-current voltage output apparatusTOYOTA MOTOR CO LTD·Filed 2006·Granted Jul 14, 2009·16 cites·10 claims
- 4679US7423391B2Power conversion device and vehicle equipped therewithTOYOTA MOTOR CO LTD·Filed 2005·Granted Sep 9, 2008·16 cites·24 claims
- 4778US8518590B2Fuel cell output characteristic estimation apparatus and output characteristic estimation method, fuel cell system and vehicle having the same, and fuel cell output control method and data storage mediumSUGIURA HIROSHI·Filed 2010·Granted Aug 27, 2013·5 cites·6 claims
- 4878US7847518B2Power system and method for managing charging state in that power systemTOYOTA MOTOR CO LTD·Filed 2007·Granted Dec 7, 2010·16 cites·14 claims
- 4978US7819213B2Power output apparatus and vehicle having the sameTOYOTA MOTOR CO LTD·Filed 2005·Granted Oct 26, 2010·12 cites·16 claims
- 5078US7242159B2Controller for drive systemTOYOTA MOTOR CO LTD·Filed 2006·Granted Jul 10, 2007·12 cites·6 claims
Showing the top 50 of 141 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Tetsuhiro Ishikawa files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →