Inventor · disambiguated record
Toshikazu Kotaka
Also filed as: KOTAKA TOSHIKAZU
42 granted patents·13 pending applications·221 citations·filing 1992–2025
97Inventor score
Top patents by PatentIndex Score
55 records- 0191US9682834B2Transport apparatusSEIKO EPSON CORP·Filed 2016·Granted Jun 20, 2017·3 cites·7 claims
- 0290US11319181B2Discharging device, processing apparatus, and recording systemSEIKO EPSON CORP·Filed 2020·Granted May 3, 2022·2 cites·18 claims
- 0387US6550759B2Paper feeder, auxiliary roller, paper feeding method using the same, and recording apparatus incorporating the sameSEIKO EPSON CORP·Filed 2001·Granted Apr 22, 2003·25 cites·42 claims
- 0486US5997198ASheet feeder and printerSEIKO EPSON CORP·Filed 1997·Granted Dec 7, 1999·36 cites·29 claims
- 0585US10016992B2Printing apparatus and control method for the printing apparatusSEIKO EPSON CORP·Filed 2017·Granted Jul 10, 2018·2 cites·9 claims
- 0683US8292289B2Transport device, image reading device, and image forming apparatusKOTAKA TOSHIKAZU·Filed 2009·Granted Oct 23, 2012·9 cites·6 claims
- 0782US9254694B2Recording apparatusSEIKO EPSON CORP·Filed 2015·Granted Feb 9, 2016·2 cites·14 claims
- 0882US7515520B2Recording apparatus and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2007·Granted Apr 7, 2009·7 cites·5 claims
- 0978US2025388033A1Medium conveyance device and recording apparatusSEIKO EPSON CORP·Filed 2025·Application pending·0 cites
- 1075US9527695B2Recording apparatus having access path to recording unitSEIKO EPSON CORP·Filed 2015·Granted Dec 27, 2016·1 cites·13 claims
- 1174US5494364APrinter having an inverting paper traySEIKO EPSON CORP·Filed 1994·Granted Feb 27, 1996·25 cites·5 claims
- 1273US11710863B2Recovery control method for secondary battery, recovery control system for secondary battery, and vehicle control systemNISSAN MOTOR·Filed 2020·Granted Jul 25, 2023·1 cites·12 claims
- 1370US9073712B2Medium cassette and recording apparatusSEIKO EPSON CORP·Filed 2013·Granted Jul 7, 2015·2 cites·10 claims
- 1470US8714539B2Recording medium cassette and recording apparatusSEIKO EPSON CORP·Filed 2013·Granted May 6, 2014·2 cites·5 claims
- 1568US8328704B2Roller, apparatus for molding roller, mold for forming roller, method for producing roller, and recording apparatusKOTAKA TOSHIKAZU·Filed 2007·Granted Dec 11, 2012·3 cites·2 claims
- 1667US5738348ASheet feederSEIKO EPSON CORP·Filed 1995·Granted Apr 14, 1998·18 cites·22 claims
- 1767US5482390APrinter having discharge rollersSEIKO EPSON CORP·Filed 1994·Granted Jan 9, 1996·17 cites·3 claims
- 1866US5785441AInk jet printer having paper supports and guidesSEIKO EPSON CORP·Filed 1996·Granted Jul 28, 1998·13 cites·20 claims
- 1964US12212721B2Post-processing device and printing deviceSEIKO EPSON CORP·Filed 2022·Granted Jan 28, 2025·0 cites·18 claims
- 2064US7950658B2Recording medium transporting device and recording apparatusSEIKO EPSON CORP·Filed 2008·Granted May 31, 2011·2 cites·6 claims
- 2163US10464770B2Transport apparatusSEIKO EPSON CORP·Filed 2018·Granted Nov 5, 2019·0 cites·9 claims
- 2261US9724941B2Recording apparatus having access path to recording unitSEIKO EPSON CORP·Filed 2016·Granted Aug 8, 2017·0 cites·12 claims
- 2360US10029879B2Transport apparatusSEIKO EPSON CORP·Filed 2017·Granted Jul 24, 2018·0 cites·9 claims
- 2460US8851466B2Recording apparatusSEIKO EPSON CORP·Filed 2013·Granted Oct 7, 2014·1 cites·7 claims
- 2560US2025030135A1Secondary BatteryNISSAN MOTOR·Filed 2021·Application pending·0 cites
- 2659US7621529B2Printing medium feeding device, printing apparatus, and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2007·Granted Nov 24, 2009·1 cites·5 claims
- 2759US2024279018A1Medium stacking device, printing system, and control method of medium stacking deviceSEIKO EPSON CORP·Filed 2024·Application pending·0 cites
- 2858US8905398B2Medium feeding device, scanner and recording apparatusKOTAKA TOSHIKAZU·Filed 2012·Granted Dec 9, 2014·1 cites·7 claims
- 2956US9859581B2Fuel cellNISSAN MOTOR·Filed 2013·Granted Jan 2, 2018·0 cites·20 claims
- 3056US5397191APrinter having paper feed rollerSEIKO EPSON CORP·Filed 1992·Granted Mar 14, 1995·10 cites·5 claims
- 3155US9425468B2Cell structure of fuel cellNISSAN MOTOR·Filed 2013·Granted Aug 23, 2016·0 cites·17 claims
- 3255US2023321862A1Punching device and control method for punching deviceSEIKO EPSON CORP·Filed 2023·Application pending·0 cites
- 3355US2025038548A1Battery Control System and Battery Control MethodNISSAN MOTOR·Filed 2022·Application pending·0 cites
- 3454US5921691AInk jet printerSEIKO EPSON CORP·Filed 1997·Granted Jul 13, 1999·8 cites·15 claims
- 3554US2023399186A1Medium transport device and recording deviceSEIKO EPSON CORP·Filed 2023·Application pending·0 cites
- 3653US9843063B2Fuel cellNISSAN MOTOR·Filed 2013·Granted Dec 12, 2017·0 cites·8 claims
- 3753US6505827B2Urging device provided with multiple loading member and paper feeding device incorporating the sameSEIKO EPSON CORP·Filed 2001·Granted Jan 14, 2003·4 cites·19 claims
- 3852US10050279B2Fuel cellNISSAN MOTOR·Filed 2013·Granted Aug 14, 2018·0 cites·20 claims
- 3951US10115987B2State detection device and method for fuel cellNISSAN MOTOR·Filed 2015·Granted Oct 30, 2018·0 cites·18 claims
- 4051US6007194AInk jet printing method for feeding and ejecting a sheet to prevent a sheet from adhering to a successive sheetSEIKO EPSON CORP·Filed 1996·Granted Dec 28, 1999·13 cites·36 claims
- 4150US2025062632A1Method for Charging All-Solid-State Battery and Charging Control DeviceNISSAN MOTOR·Filed 2022·Application pending·0 cites
- 4249US9242811B2Medium mounting mechanism and recording apparatusSEIKO EPSON CORP·Filed 2014·Granted Jan 26, 2016·0 cites·5 claims
- 4348US8528894B2Method of detecting sheet in transport device, transport device, image reading device, and image forming apparatusKOTAKA TOSHIKAZU·Filed 2009·Granted Sep 10, 2013·0 cites·6 claims
- 4447US10193174B2Fuel cell internal state detection system and state detection methodNISSAN MOTOR·Filed 2015·Granted Jan 29, 2019·0 cites·11 claims
- 4544US2014154607A1Fuel cellKOTAKA TOSHIKAZU·Filed 2012·Application pending·0 cites
- 4643US6336758B1PrinterSEIKO EPSON CORP·Filed 1999·Granted Jan 8, 2002·7 cites·5 claims
- 4743US2014103597A1Recording apparatusSEIKO EPSON CORP·Filed 2013·Application pending·0 cites
- 4843US2014008861A1Medium cassette and recording apparatusSEIKO EPSON CORP·Filed 2013·Application pending·0 cites
- 4942US10035364B2Printing apparatusSEIKO EPSON CORP·Filed 2017·Granted Jul 31, 2018·0 cites·5 claims
- 5042US2008204495A1Liquid ejecting apparatusSEIKO EPSON CORP·Filed 2008·Application pending·0 cites
Showing the top 50 of 55 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →