Inventor · disambiguated record
Seiji Sakai
Also filed as: SAKAI SEIJI
45 granted patents·8 pending applications·942 citations·filing 1987–2023
98Inventor score
Files withMITSUBISHI ELECTRIC CORP24SAKAI SEIJI6ADVANCED DISPLAY KK3MURATA MANUFACTURING CO3OLYMPUS CORP3
Top patents by PatentIndex Score
53 records- 0197US7604389B2Surface light source deviceMITSUBISHI ELECTRIC CORP·Filed 2007·Granted Oct 20, 2009·45 cites·16 claims
- 0297US7441938B2Planar light source deviceMITSUBISHI ELECTRIC CORP·Filed 2007·Granted Oct 28, 2008·55 cites·12 claims
- 0397US7350951B2Planar light source device and display device using the same deviceMITSUBISHI ELECTRIC CORP·Filed 2007·Granted Apr 1, 2008·38 cites·6 claims
- 0496US7578610B2Light source device and liquid display deviceMITSUBISHI ELECTRIC CORP·Filed 2007·Granted Aug 25, 2009·36 cites·13 claims
- 0596US7300184B2Planar light source device and display device using the sameMITSUBISHI ELECTRIC CORP·Filed 2005·Granted Nov 27, 2007·71 cites·15 claims
- 0695US7393128B2Planar light source device and display device using the sameMITSUBISHI ELECTRIC CORP·Filed 2006·Granted Jul 1, 2008·18 cites·12 claims
- 0795US7384179B2Planar light source unit and image display apparatus using the sameMITSUBISHI ELECTRIC CORP·Filed 2007·Granted Jun 10, 2008·26 cites·9 claims
- 0895US7229198B2Planar light source device and display device using the sameMITSUBISHI ELECTRIC CORP·Filed 2004·Granted Jun 12, 2007·68 cites·12 claims
- 0994US7762705B2Surface light source device and display device using the sameMITSUBISHI ELECTRIC CORP·Filed 2006·Granted Jul 27, 2010·44 cites·20 claims
- 1093US9182538B2Planar light source device and display apparatus incorporating sameMITSUBISHI ELECTRIC CORP·Filed 2014·Granted Nov 10, 2015·8 cites·12 claims
- 1193US7201488B2Planar light source apparatus and liquid display apparatusMITSUBISHI ELECTRIC CORP·Filed 2005·Granted Apr 10, 2007·36 cites·12 claims
- 1292US9188779B2Display apparatus and head-up display system having the sameSAKAI SEIJI·Filed 2013·Granted Nov 17, 2015·16 cites·15 claims
- 1392US8851223B2Motor mounting structureYAMASHITA TAICHI·Filed 2012·Granted Oct 7, 2014·24 cites·3 claims
- 1491US5386335ASurge absorberMURATA MANUFACTURING CO·Filed 1992·Granted Jan 31, 1995·66 cites·7 claims
- 1589US6502874B2Coupling structure of shock transmitting member and shock absorbing member, and bumperTOYOTA MOTOR CO LTD·Filed 2001·Granted Jan 7, 2003·56 cites·3 claims
- 1689US5159300ANoise filter comprising a monolithic laminated ceramic varistorMURATA MANUFACTURING CO·Filed 1990·Granted Oct 27, 1992·54 cites·8 claims
- 1788US9638852B2Point light source, planar light source device, and display deviceMITSUBISHI ELECTRIC CORP·Filed 2014·Granted May 2, 2017·12 cites·10 claims
- 1887US8425405B2Electronic endoscope apparatusMITANI TAKAHIKO·Filed 2009·Granted Apr 23, 2013·77 cites·9 claims
- 1987US7656398B2Surface light source device and liquid crystal display deviceMITSUBISHI ELECTRIC CORP·Filed 2005·Granted Feb 2, 2010·8 cites·15 claims
- 2085US6964500B2Planar light source device, liquid crystal display apparatus, and display apparatusADVANCED DISPLAY KK·Filed 2003·Granted Nov 15, 2005·28 cites·17 claims
- 2183US12389805B2Layered structure, magnetoresistive device using the same, and method of fabricating layered structureNATIONAL INSTITUTES FOR QUANTUM SCIENCE AND TECH·Filed 2020·Granted Aug 12, 2025·2 cites·7 claims
- 2283US7641376B2Surface light source device and display device using sameMITSUBISHI ELECTRIC CORP·Filed 2006·Granted Jan 5, 2010·13 cites·22 claims
- 2381US7708444B2Surface light source deviceMITSUBISHI ELECTRIC CORP·Filed 2005·Granted May 4, 2010·11 cites·10 claims
- 2477US6426784B1Liquid crystal display and method for assembling the sameADVANCED DISPLAY KK·Filed 2000·Granted Jul 30, 2002·23 cites·15 claims
- 2577USD310919SPhotostandSAKAI SEIJI·Filed 1987·Granted Oct 2, 1990·16 cites·1 claims
- 2672US9360613B2Planar light source apparatus and display apparatus using sameSAKAI SEIJI·Filed 2010·Granted Jun 7, 2016·3 cites·14 claims
- 2772USD309986SPhotostandSAKAI SEIJI·Filed 1987·Granted Aug 21, 1990·13 cites·1 claims
- 2870US7364336B2Plane light source device and display device provided with the sameMITSUBISHI ELECTRIC CORP·Filed 2004·Granted Apr 29, 2008·9 cites·17 claims
- 2970US6776512B2Flat display deviceADVANCED DISPLAY KK·Filed 2002·Granted Aug 17, 2004·12 cites·10 claims
- 3069US8360965B2Endoscopic image pickup unitOLYMPUS MEDICAL SYSTEMS CORP·Filed 2009·Granted Jan 29, 2013·2 cites·16 claims
- 3165US10067333B2Endoscope having image pickup sensor and first and second light blocking membersOLYMPUS CORP·Filed 2016·Granted Sep 4, 2018·1 cites·2 claims
- 3264US7961412B2Actuator apparatus and image pickup unitOLYMPUS MEDICAL SYSTEMS CORP·Filed 2009·Granted Jun 14, 2011·5 cites·9 claims
- 3363US9274265B2Surface light source apparatus and display apparatus using sameSAKAI SEIJI·Filed 2010·Granted Mar 1, 2016·1 cites·18 claims
- 3461US8427533B2Image pickup apparatus, electronic endoscope, and lens unitSAKAI SEIJI·Filed 2008·Granted Apr 23, 2013·1 cites·2 claims
- 3560US9640213B2Perpendicular magnetic recording medium and magnetic storage apparatusSHOWA DENKO KK·Filed 2015·Granted May 2, 2017·2 cites·4 claims
- 3660US8885118B2Illumination device and liquid crystal display having a light guide plate with protrusions of multiple heightsYUUKI AKIMASA·Filed 2011·Granted Nov 11, 2014·2 cites·7 claims
- 3758US11822068B2Insertion instrumentOLYMPUS CORP·Filed 2020·Granted Nov 21, 2023·0 cites·10 claims
- 3854US6698968B2Frame section joining structureTOYOTA MOTOR CO LTD·Filed 2001·Granted Mar 2, 2004·10 cites·12 claims
- 3952US2010079980A1Planar light source device and display apparatus incorporating sameMITSUBISHI ELECTRIC CORP·Filed 2009·Application pending·0 cites
- 4052US2024103340A1Optical device and endoscopeOLYMPUS CORP·Filed 2023·Application pending·0 cites
- 4148US5393312AAgent for prevention of salt damage of plants and a method of preventing salt damage of plants using the sameSHINETSU CHEMICAL CO·Filed 1993·Granted Feb 28, 1995·11 cites·9 claims
- 4248US2015146453A1Planar light source device and display device having the sameMITSUBISHI ELECTRIC CORP·Filed 2014·Application pending·0 cites
- 4346US9500795B2Area light source device and display device using sameMITSUBISHI ELECTRIC CORP·Filed 2013·Granted Nov 22, 2016·0 cites·16 claims
- 4446US6246242B1Method of screening varistorsMURATA MANUFACTURING CO·Filed 1998·Granted Jun 12, 2001·11 cites·4 claims
- 4545US2013300981A1Planar light source apparatus and display apparatus equipped with the sameMITSUBISHI ELECTRIC CORP·Filed 2013·Application pending·0 cites
- 4644US9007449B2Electronic endoscopeMITANI TAKAHIKO·Filed 2007·Granted Apr 14, 2015·0 cites·18 claims
- 4744US2008211990A1Surface light source device and display apparatusMITSUBISHI ELECTRIC CORP·Filed 2007·Application pending·0 cites
- 4844US2008291694A1Planar light source device and display deviceMITSUBISHI ELECTRIC CORP·Filed 2008·Application pending·0 cites
- 4942US10509160B2Surface light source device and display deviceMITSUBISHI ELECTRIC CORP·Filed 2018·Granted Dec 17, 2019·0 cites·16 claims
- 5042US2006139960A1Surface light source device and display apparatus using the sameMITSUBISHI ELECTRIC CORP·Filed 2005·Application pending·0 cites
Showing the top 50 of 53 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →