Inventor · disambiguated record
Yukimasa Ishida
Also filed as: ISHIDA YUKIMASA
18 granted patents·7 pending applications·249 citations·filing 1998–2025
93Inventor score
Files withSEIKO EPSON CORP11FUJI XEROX CO LTD4FUJITSU LTD3EPSON IMAGING DEVICES CORP2ISHIDA YUKIMASA2
Top patents by PatentIndex Score
25 records- 0194US6534789B2Thin film transistor matrix having TFT with LDD regionsFUJITSU DISPLAY TECH·Filed 2001·Granted Mar 18, 2003·74 cites·13 claims
- 0291US8497562B2Solid-state image pickup deviceISHIDA YUKIMASA·Filed 2011·Granted Jul 30, 2013·9 cites·10 claims
- 0391US6335290B1Etching method, thin film transistor matrix substrate, and its manufactureFUJITSU LTD·Filed 1999·Granted Jan 1, 2002·108 cites·20 claims
- 0484US9889648B2Liquid ejecting apparatusSEIKO EPSON CORP·Filed 2016·Granted Feb 13, 2018·2 cites·21 claims
- 0583US10730303B2Liquid ejecting head and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2018·Granted Aug 4, 2020·2 cites·12 claims
- 0680US8711464B2Protection circuit, substrate for electro-optical device, electro-optical device, electrophoretic display device, electronic apparatus, and manufacturing method of electro-optical deviceISHIDA YUKIMASA·Filed 2010·Granted Apr 29, 2014·4 cites·9 claims
- 0773US2025388760A1Carbon Black Composition, Ink Composition, Recording Method, And Recorded MatterSEIKO EPSON CORP·Filed 2025·Application pending·0 cites
- 0871US8040543B2Instruction file execution device, instruction file execution method and job flow systemFUJI XEROX CO LTD·Filed 2005·Granted Oct 18, 2011·2 cites·21 claims
- 0969US10458552B2Valve and manufacturing method for valveSEIKO EPSON CORP·Filed 2017·Granted Oct 29, 2019·1 cites·11 claims
- 1069US7956313B2Solid-state image pickup deviceEPSON IMAGING DEVICES CORP·Filed 2009·Granted Jun 7, 2011·2 cites·8 claims
- 1167US6198132B1Thin-film device with annular shaped insulation on its gate electrodeFUJITSU LTD·Filed 1998·Granted Mar 6, 2001·23 cites·13 claims
- 1264US6808963B2Process for fabricating a thin-film device having inclined sidesFUJITSU LTD·Filed 2001·Granted Oct 26, 2004·10 cites·24 claims
- 1363US8896520B2Electrophoretic display apparatus and electronics deviceMURAYAMA TETSURO·Filed 2011·Granted Nov 25, 2014·1 cites·10 claims
- 1461US2005206939A1Service linking processing method and deviceFUJI XEROX CO LTD·Filed 2004·Application pending·0 cites
- 1560US2009267121A1Solid-state image pickup deviceEPSON IMAGING DEVICES CORP·Filed 2009·Application pending·0 cites
- 1659US11338574B2Liquid ejecting apparatus and method for controlling liquid ejecting apparatusSEIKO EPSON CORP·Filed 2020·Granted May 24, 2022·0 cites·17 claims
- 1758US7115904B2Method of manufacturing organic electroluminescent device, organic electroluminescent device, substrate for organic electroluminescent device, and electronic apparatusSEIKO EPSON CORP·Filed 2004·Granted Oct 3, 2006·5 cites·14 claims
- 1858US7098985B2Multilayer external connection structure having third layer covering sidewalls of the first and second, made of reflective conductive materialSEIKO EPSON CORP·Filed 2003·Granted Aug 29, 2006·6 cites·13 claims
- 1953US10625512B2Liquid discharge apparatus and control method of liquid discharge apparatusSEIKO EPSON CORP·Filed 2018·Granted Apr 21, 2020·0 cites·19 claims
- 2052US10464338B2Liquid discharge apparatus, cleaning apparatus, and cleaning methodSEIKO EPSON CORP·Filed 2017·Granted Nov 5, 2019·0 cites·24 claims
- 2149US2006065720A1Service execution device, service execution method and charging systemFUJI XEROX CO LTD·Filed 2005·Application pending·0 cites
- 2249US2006066893A1Instruction file execution device and method, recording medium, and job flow systemFUJI XEROX CO LTD·Filed 2005·Application pending·0 cites
- 2346US10730298B2Liquid discharging apparatus, manufacturing method of liquid discharging apparatus, and maintenance method of liquid discharging apparatusSEIKO EPSON CORP·Filed 2018·Granted Aug 4, 2020·0 cites·10 claims
- 2441US2011147596A1Photoelectric conversion device and radiation detection deviceSONY CORP·Filed 2011·Application pending·0 cites
- 2538US2005221568A1Manufacturing method of semiconductor device, semiconductor device, substrate for electro-optical device, electro-optical device, and electronic apparatusSEIKO EPSON CORP·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →