Inventor · disambiguated record
Seiichi Yokoyama
Also filed as: YOKOYAMA SEIICHI
57 granted patents·15 pending applications·1,006 citations·filing 1974–2019
99Inventor score
Top patents by PatentIndex Score
72 records- 0199US9123666B2Display unitSONY CORP·Filed 2014·Granted Sep 1, 2015·26 cites·5 claims
- 0298US9373672B2Display unitSONY CORP·Filed 2015·Granted Jun 21, 2016·16 cites·22 claims
- 0398US8415686B2Display unit, method of manufacturing same, organic light emitting unit, and method of manufacturing sameKASHIWABARA MITSUHIRO·Filed 2011·Granted Apr 9, 2013·25 cites·32 claims
- 0497US9627453B2Display unitSONY CORP·Filed 2016·Granted Apr 18, 2017·10 cites·20 claims
- 0596US9911792B2Display unitSONY CORP·Filed 2017·Granted Mar 6, 2018·8 cites·22 claims
- 0696US7973319B2Display unit, method of manufacturing same, organic light emitting unit, and method of manufacturing sameSONY CORP·Filed 2004·Granted Jul 5, 2011·84 cites·22 claims
- 0795US9048451B2Laminated structure, display device and display unit employing sameSONY CORP·Filed 2013·Granted Jun 2, 2015·8 cites·18 claims
- 0893US9236581B2Display unit, method of manufacturing display unit, and electronic apparatusSONY CORP·Filed 2014·Granted Jan 12, 2016·14 cites·20 claims
- 0992US8608300B2Liquid circulation system and ink-jet printerIGAWA TOMOMI·Filed 2010·Granted Dec 17, 2013·19 cites·2 claims
- 1091US8981352B2Display unit having a groove between organic EL devicesYAMADA JIRO·Filed 2012·Granted Mar 17, 2015·17 cites·18 claims
- 1191US7615792B2Light-emitting device, method of manufacturing the same, and display unitSONY CORP·Filed 2007·Granted Nov 10, 2009·15 cites·24 claims
- 1291US6067110AObject recognizing deviceHONDA MOTOR CO LTD·Filed 1996·Granted May 23, 2000·127 cites·17 claims
- 1390US7718452B2Display apparatus and method of manufacturing the sameSONY CORP·Filed 2007·Granted May 18, 2010·13 cites·9 claims
- 1487US10170725B2Laminated structure, display device and display unit employing sameSONY CORP·Filed 2017·Granted Jan 1, 2019·1 cites·12 claims
- 1586US10916593B2Display unitSONY CORP·Filed 2019·Granted Feb 9, 2021·1 cites·19 claims
- 1686US10347697B2Display unitSONY CORP·Filed 2018·Granted Jul 9, 2019·2 cites·10 claims
- 1786US9041629B2Laminated structure, display device and display unit employing sameSONY CORP·Filed 2013·Granted May 26, 2015·3 cites·36 claims
- 1886US7224115B2Display apparatus and method of manufacturing the sameSONY CORP·Filed 2003·Granted May 29, 2007·43 cites·7 claims
- 1986US3957896AProcess for preparing 2,6-dimethylnaphthalenesTEIJIN LTD·Filed 1974·Granted May 18, 1976·18 cites·10 claims
- 2085US7709862B2Ion implantation mask and method for manufacturing same, silicon carbide semiconductor device using ion implantation mask, and method for manufacturing sameHONDA MOTOR CO LTD·Filed 2006·Granted May 4, 2010·9 cites·8 claims
- 2184US8963170B2Organic light emitting device and display unit including the sameYOKOYAMA SEIICHI·Filed 2012·Granted Feb 24, 2015·7 cites·6 claims
- 2284US8721060B2Liquid circulation systemYOKOYAMA SEIICHI·Filed 2010·Granted May 13, 2014·5 cites·9 claims
- 2384US5515984AMethod for etching PT filmSHARP KK·Filed 1995·Granted May 14, 1996·70 cites·4 claims
- 2483US8963417B2Organic light emitting device, display unit, and device comprising a display unitSONY CORP·Filed 2014·Granted Feb 24, 2015·2 cites·30 claims
- 2583US6608383B2Semiconductor device including capacitor with lower electrode including iridium and iridium oxide layersSHARP KK·Filed 2001·Granted Aug 19, 2003·26 cites·7 claims
- 2681US7245341B2Laminated structure, display device and display unit employing sameSONY CORP·Filed 2004·Granted Jul 17, 2007·16 cites·17 claims
- 2780US6313539B1Semiconductor memory device and production method of the sameSHARP KK·Filed 1998·Granted Nov 6, 2001·53 cites·7 claims
- 2880US5998819AThin ferroelectric film element having a multi-layered thin ferroelectric film and method for manufacturing the sameSHARP KK·Filed 1998·Granted Dec 7, 1999·50 cites·9 claims
- 2977US8105927B2Method for manufacturing ion implantation mask, and method for manufacturing silicon carbide semiconductor deviceNONAKA KEN-ICHI·Filed 2010·Granted Jan 31, 2012·4 cites·8 claims
- 3075US7449734B2Junction semiconductor device and method for manufacturing the sameHONDA MOTOR CO LTD·Filed 2006·Granted Nov 11, 2008·6 cites·7 claims
- 3175US5130996ASolid-state laser device capable of generating a harmonic laser beam at a high conversion efficiencyHOYA CORP·Filed 1990·Granted Jul 14, 1992·34 cites·8 claims
- 3274US4345089ARecovery of aromatic carboxylic acid or ester thereof from residue fraction of oxidation or esterification reaction mixtureHERCOFINA·Filed 1980·Granted Aug 17, 1982·12 cites·22 claims
- 3372US7961394B2Polarizing glass, optical isolator, and method for producing polarizing glassHOYA CANDEO OPTRONICS CORP·Filed 2009·Granted Jun 14, 2011·3 cites·11 claims
- 3472US7544552B2Method for manufacturing junction semiconductor deviceHONDA MOTOR CO LTD·Filed 2006·Granted Jun 9, 2009·6 cites·21 claims
- 3572US5831299AThin ferroelectric film element having a multi-layered thin ferroelectric film and method for manufacturing the sameSHARP KK·Filed 1997·Granted Nov 3, 1998·35 cites·9 claims
- 3671US5443968AFed batch culture method for protein secreting cellsTEIJIN LTD·Filed 1993·Granted Aug 22, 1995·22 cites·24 claims
- 3770US9761825B2Laminated structure, display device and display unit employing sameSONY CORP·Filed 2016·Granted Sep 12, 2017·0 cites·25 claims
- 3870US7250634B2Light-emitting device, method of manufacturing the same, and display unitSONY CORP·Filed 2004·Granted Jul 31, 2007·13 cites·17 claims
- 3969US7867836B2Method for manufacturing junction semiconductor deviceHONDA MOTOR CO LTD·Filed 2008·Granted Jan 11, 2011·3 cites·4 claims
- 4068US8919918B2Inkjet printing apparatus and clogged nozzle recovering methodMIMAKI ENG KK·Filed 2013·Granted Dec 30, 2014·1 cites·16 claims
- 4166US9190460B2Organic light emitting device and display unit including the sameSONY CORP·Filed 2014·Granted Nov 17, 2015·1 cites·4 claims
- 4265US9431627B2Laminated structure, display device and display unit employing sameSONY CORP·Filed 2015·Granted Aug 30, 2016·0 cites·30 claims
- 4365US5216687ASolid state laser device with a bi-cylindrical covexo-convex lens having selected radii of curvature to preferably pump a region of a laser mediumHOYA CORP·Filed 1991·Granted Jun 1, 1993·24 cites·13 claims
- 4464US5851841AMethod for producing ferroelectric film element, and ferroelectric film element and ferroelectric memory element produced by the methodSHARP KK·Filed 1996·Granted Dec 22, 1998·30 cites·5 claims
- 4560US2013207138A1Display unit, method of manufacturing same, organic light emitting unit, and method of manufacturing sameSONY CORP·Filed 2013·Application pending·0 cites
- 4659US6218667B1Sensor element with small area light detecting section of bridge structureHONDA MOTOR CO LTD·Filed 1998·Granted Apr 17, 2001·23 cites·31 claims
- 4757US5824552AMedium for culturing animal cellsTEIJIN LTD·Filed 1995·Granted Oct 20, 1998·14 cites·14 claims
- 4857US5776356AMethod for etching ferroelectric filmSHARP KK·Filed 1995·Granted Jul 7, 1998·24 cites·24 claims
- 4956US2012229742A1Laminated structure, display device, and display unit employing sameYOKOYAMA SEIICHI·Filed 2012·Application pending·0 cites
- 5055US6876789B2Optical filtering module and optical devices using such optical filtering moduleHOYA CORP·Filed 2001·Granted Apr 5, 2005·6 cites·13 claims
Showing the top 50 of 72 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →