Inventor · disambiguated record
Naoto Yokoyama
Also filed as: YOKOYAMA NAOTO
27 granted patents·7 pending applications·73 citations·filing 2003–2025
93Inventor score
Files withSEIKO EPSON CORP22HITACHI PLANT TECHNOLOGIES LTD3YOKOYAMA NAOTO3MAKINO MILLING MACHINE2TAIYO YUDEN KK2
Top patents by PatentIndex Score
34 records- 0191US7589450B2Actuator device, liquid-jet head and liquid-jet apparatusSEIKO EPSON CORP·Filed 2006·Granted Sep 15, 2009·23 cites·9 claims
- 0282US7810915B2Actuator device, liquid-jet head and liquid-jet apparatusSEIKO EPSON CORP·Filed 2007·Granted Oct 12, 2010·6 cites·6 claims
- 0382US2025388013A1Liquid ejecting apparatus and method of acquiring deterioration state of liquid ejecting apparatusSEIKO EPSON CORP·Filed 2025·Application pending·0 cites
- 0478US10500853B2Piezoelectric device, liquid ejecting head, and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2018·Granted Dec 10, 2019·1 cites·20 claims
- 0573US7905979B2Method for holding substrate in vacuumHITACHI PLANT TECHNOLOGIES LTD·Filed 2007·Granted Mar 15, 2011·3 cites·12 claims
- 0672US7717546B2Piezoelectric device and liquid jet headSEIKO EPSON CORP·Filed 2007·Granted May 18, 2010·5 cites·5 claims
- 0770US6900978B2Capacitor mounting structure, capacitor-mounted board, and wiring board for use in capacitor mountingTAIYO YUDEN KK·Filed 2004·Granted May 31, 2005·15 cites·20 claims
- 0868US7859635B2Liquid crystal display panel and manufacturing method thereofSHARP KK·Filed 2004·Granted Dec 28, 2010·11 cites·6 claims
- 0966US7740345B2Actuator device, liquid-jet head and liquid-jet apparatusSEIKO EPSON CORP·Filed 2007·Granted Jun 22, 2010·2 cites·5 claims
- 1062US10134976B2Piezoelectric element, liquid discharging head provided with piezoelectric element, and liquid discharging apparatusSEIKO EPSON CORP·Filed 2017·Granted Nov 20, 2018·0 cites·10 claims
- 1160US10913272B2Liquid ejecting head and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2019·Granted Feb 9, 2021·0 cites·7 claims
- 1260US2025135775A1Liquid ejecting head and liquid ejecting systemSEIKO EPSON CORP·Filed 2024·Application pending·0 cites
- 1359US10618283B2Piezoelectric device, liquid discharge head, and liquid discharge apparatusSEIKO EPSON CORP·Filed 2018·Granted Apr 14, 2020·0 cites·7 claims
- 1459US7326457B2Substrate holding device including adhesive face with hexagons defined by convex portionsHITACHI PLANT TECHNOLOGIES LTD·Filed 2003·Granted Feb 5, 2008·5 cites·8 claims
- 1559US2025050637A1Liquid ejecting head and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2024·Application pending·0 cites
- 1658US9666784B2Piezoelectric element, liquid discharging head provided with piezoelectric element, and liquid discharging apparatusSEIKO EPSON CORP·Filed 2016·Granted May 30, 2017·0 cites·8 claims
- 1755US10562302B2Liquid ejecting head, liquid ejecting apparatus, and piezoelectric deviceSEIKO EPSON CORP·Filed 2018·Granted Feb 18, 2020·0 cites·19 claims
- 1854US2008060754A1Method for manufacturing a liquid crystal display deviceHITACHI PLANT TECHNOLOGIES LTD·Filed 2007·Application pending·0 cites
- 1953US10173421B2Piezoelectric element, liquid ejecting head, and piezoelectric deviceSEIKO EPSON CORP·Filed 2016·Granted Jan 8, 2019·0 cites·20 claims
- 2052US10737493B2Piezoelectric device, liquid ejecting head, and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2019·Granted Aug 11, 2020·0 cites·8 claims
- 2151US12484447B2Piezoelectric actuator, liquid ejecting head, and recording apparatusSEIKO EPSON CORP·Filed 2022·Granted Nov 25, 2025·0 cites·12 claims
- 2251US11794263B2Power source device for electric discharge machineMAKINO MILLING MACHINE·Filed 2018·Granted Oct 24, 2023·0 cites·4 claims
- 2350US7243601B2Printing plate, press and method of printing, and apparatus and method for manufacturing liquid crystal devicesKOMURA TECH CO LTD·Filed 2003·Granted Jul 17, 2007·2 cites·15 claims
- 2448US11752565B2Power source device for electric discharge machineMAKINO MILLING MACHINE·Filed 2018·Granted Sep 12, 2023·0 cites·4 claims
- 2547US9950514B2Piezoelectric element, liquid ejecting head, and piezoelectric element deviceSEIKO EPSON CORP·Filed 2017·Granted Apr 24, 2018·0 cites·12 claims
- 2647US8485646B2Liquid ejecting head and liquid ejecting apparatusYOKOYAMA NAOTO·Filed 2011·Granted Jul 16, 2013·0 cites·12 claims
- 2745US7107555B2Method and apparatus for designing high-frequency circuit, and display method for use in designing high-frequency circuitTAIYO YUDEN KK·Filed 2004·Granted Sep 12, 2006·0 cites·10 claims
- 2842US2014267478A1Liquid ejecting head, liquid ejecting apparatus and actuator apparatusSEIKO EPSON CORP·Filed 2014·Application pending·0 cites
- 2941US2018287046A1Piezoelectric device, liquid ejecting head, and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2018·Application pending·0 cites
- 3040US9865796B2Method for driving piezoelectric element, piezoelectric element, and piezoelectric element applied deviceSEIKO EPSON CORP·Filed 2015·Granted Jan 9, 2018·0 cites·9 claims
- 3140US8702197B2Piezoelectric actuator, liquid ejection head, and liquid ejection apparatusYOKOYAMA NAOTO·Filed 2012·Granted Apr 22, 2014·0 cites·8 claims
- 3240US8444256B2Piezoelectric actuator and liquid ejecting headYOKOYAMA NAOTO·Filed 2010·Granted May 21, 2013·0 cites·6 claims
- 3338US11020973B2Piezoelectric device, liquid ejecting head, liquid ejecting apparatus, and manufacturing method of piezoelectric deviceSEIKO EPSON CORP·Filed 2016·Granted Jun 1, 2021·0 cites·11 claims
- 3436US2011169897A1Liquid ejecting head and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →