Inventor · disambiguated record
Tetsuji Fujita
Also filed as: FUJITA TETSUJI
55 granted patents·17 pending applications·483 citations·filing 1990–2024
98Inventor score
Top patents by PatentIndex Score
72 records- 0197US8803138B2Light emitting element, light emitting device and electronic apparatusSEIKO EPSON CORP·Filed 2012·Granted Aug 12, 2014·15 cites·20 claims
- 0293US9401460B2Light emitting elementSEIKO EPSON CORP·Filed 2015·Granted Jul 26, 2016·4 cites·7 claims
- 0393US9159932B2Light emitting element, light emitting device, and electronic deviceFUJITA TETSUJI·Filed 2012·Granted Oct 13, 2015·11 cites·18 claims
- 0493US7097917B1Compounds for use in organic EL devices and organic EL devicesTDK CORP·Filed 2002·Granted Aug 29, 2006·35 cites·31 claims
- 0591US9412909B2Light emitting apparatus, manufacturing method of light emitting apparatus, light receiving and emitting apparatus, and electronic equipmentSEIKO EPSON CORP·Filed 2015·Granted Aug 9, 2016·3 cites·8 claims
- 0691US9178102B2Light emitting apparatus, manufacturing method of light emitting apparatus, light receiving and emitting apparatus, and electronic equipmentSEIKO EPSON CORP·Filed 2014·Granted Nov 3, 2015·6 cites·18 claims
- 0791US6344283B1Organic electroluminescent elementsTDK CORP·Filed 1997·Granted Feb 5, 2002·78 cites·10 claims
- 0889US11063171B2Light emitting device, method of manufacturing light emitting device, and projectorSEIKO EPSON CORP·Filed 2020·Granted Jul 13, 2021·2 cites·7 claims
- 0989US9067952B2Thiadiazole, light-emitting element, light-emitting apparatus, authentication apparatus, and electronic deviceYAMAMOTO HIDETOSHI·Filed 2012·Granted Jun 30, 2015·7 cites·19 claims
- 1088US8395314B2Light-emitting element, display device, and electronic apparatus having a plurality of interlayersYAMAMOTO HIDETOSHI·Filed 2010·Granted Mar 12, 2013·8 cites·21 claims
- 1187US9072150B2Thiadiazole-based compound, light emitting element compound, light emitting element, light emitting device, authentication device, and electronic apparatusFUJITA TETSUJI·Filed 2012·Granted Jun 30, 2015·6 cites·19 claims
- 1287US6623872B2Organic EL deviceTDK CORP·Filed 2002·Granted Sep 23, 2003·33 cites·19 claims
- 1387US6613454B2Organic EL deviceTDK CORP·Filed 2001·Granted Sep 2, 2003·75 cites·27 claims
- 1485US8415685B2Light-emitting element, light-emitting apparatus, display, and electronic deviceFUJITA TETSUJI·Filed 2010·Granted Apr 9, 2013·6 cites·19 claims
- 1585US7097918B2Organic EL deviceTDK CORP·Filed 2003·Granted Aug 29, 2006·27 cites·14 claims
- 1682US9224928B2Light emitting element, light emitting device and electronic apparatusSEIKO EPSON CORP·Filed 2014·Granted Dec 29, 2015·2 cites·4 claims
- 1781US8823257B2Light-emitting device, method for manufacturing the same, display device, and electronic apparatusFUJITA TETSUJI·Filed 2010·Granted Sep 2, 2014·5 cites·16 claims
- 1880US6387547B1Compound for use in organic EL device and organic EL deviceTDK CORP·Filed 2000·Granted May 14, 2002·27 cites·13 claims
- 1979US9324952B2Thiadiazole, compound for light-emitting elements, light-emitting element, light-emitting apparatus, authentication apparatus, and electronic deviceSEIKO EPSON CORP·Filed 2013·Granted Apr 26, 2016·3 cites·22 claims
- 2078US7727642B2Compound for organic electroluminescence and organic electroluminescent deviceSEIKO EPSON CORP·Filed 2007·Granted Jun 1, 2010·6 cites·12 claims
- 2178US5078423AAir bag with overlapping suspension stringsTAKATA CORP·Filed 1990·Granted Jan 7, 1992·44 cites·3 claims
- 2276US9722184B2Thiadiazole, compound for light-emitting elements, light-emitting element, light-emitting apparatus, authentication apparatus, and electronic deviceSEIKO EPSON CORP·Filed 2013·Granted Aug 1, 2017·2 cites·19 claims
- 2374US9741940B2Thiadiazole, light-emitting element, light-emitting apparatus, authentication apparatus, and electronic deviceSEIKO EPSON CORP·Filed 2015·Granted Aug 22, 2017·1 cites·11 claims
- 2473US7727641B2Compound for organic electroluminescence and organic electroluminescent deviceSEIKO EPSON CORP·Filed 2007·Granted Jun 1, 2010·4 cites·12 claims
- 2572US8916854B2Light-emitting element, light-emitting device, display device, and electronic apparatusYAMAMOTO HIDETOSHI·Filed 2012·Granted Dec 23, 2014·2 cites·18 claims
- 2671US9064768B2Imaging apparatus and medical equipmentSEIKO EPSON CORP·Filed 2013·Granted Jun 23, 2015·3 cites·10 claims
- 2770US8587000B2Light-emitting element, light-emitting device, display, and electronic apparatusYAMAMOTO HIDETOSHI·Filed 2010·Granted Nov 19, 2013·2 cites·14 claims
- 2868US10357189B2Biological information acquisition device and biological information acquisition methodSEIKO EPSON CORP·Filed 2017·Granted Jul 23, 2019·1 cites·8 claims
- 2966US11947249B2Light emitting apparatus, method for manufacturing light emitting apparatus, and projectorSEIKO EPSON CORP·Filed 2021·Granted Apr 2, 2024·0 cites·13 claims
- 3065US8835943B2Light-emitting element, light-emitting device, display device, and electronic apparatusYAMAMOTO HIDETOSHI·Filed 2011·Granted Sep 16, 2014·1 cites·17 claims
- 3165US8835911B2Light emitting element, light emitting device, display, and electronic deviceYAMAMOTO HIDETOSHI·Filed 2012·Granted Sep 16, 2014·1 cites·20 claims
- 3265US8427517B2Light-emitting element, exposure head and image-forming apparatusFUJITA TETSUJI·Filed 2010·Granted Apr 23, 2013·1 cites·17 claims
- 3363US2023150231A1Buffer materialSEIKO EPSON CORP·Filed 2022·Application pending·0 cites
- 3463US2024287716A1Oil absorberSEIKO EPSON CORP·Filed 2024·Application pending·0 cites
- 3562US8790792B2Organic electroluminescent deviceFUJITA TETSUJI·Filed 2008·Granted Jul 29, 2014·1 cites·13 claims
- 3662US8552378B2Sensing device and electronic apparatusKANDA EIJI·Filed 2012·Granted Oct 8, 2013·2 cites·20 claims
- 3761US7318965B2Perylene derivative synthesis process, perylene derivative and organic EL deviceTDK CORP·Filed 2002·Granted Jan 15, 2008·2 cites·2 claims
- 3860US2024010412A1Buffer material and buffer material structureSEIKO EPSON CORP·Filed 2023·Application pending·0 cites
- 3960US2024010413A1Buffer material and buffer material structureSEIKO EPSON CORP·Filed 2023·Application pending·0 cites
- 4059US11177316B2Method of manufacturing light emitting device, light emitting device, and projectorSEIKO EPSON CORP·Filed 2020·Granted Nov 16, 2021·0 cites·12 claims
- 4159US2023037691A1Buffer materialSEIKO EPSON CORP·Filed 2022·Application pending·0 cites
- 4258US8710442B2Sensing device and electronic apparatusSEIKO EPSON CORP·Filed 2013·Granted Apr 29, 2014·1 cites·5 claims
- 4358US2023147271A1Buffer materialSEIKO EPSON CORP·Filed 2022·Application pending·0 cites
- 4458US2023122259A1Advertisement print method and advertisement print systemSEIKO EPSON CORP·Filed 2022·Application pending·0 cites
- 4553US2023098764A1Packaging machine and packaging methodSEIKO EPSON CORP·Filed 2022·Application pending·0 cites
- 4652US9405954B2Imaging apparatus and medical equipmentSEIKO EPSON CORP·Filed 2015·Granted Aug 2, 2016·0 cites·10 claims
- 4752US6278581B1Floating magnetic head having a magnetic head core fixed to a slider side surfaceMINEBEA CO LTD·Filed 1995·Granted Aug 21, 2001·9 cites·2 claims
- 4852US5546251AFloating magnetic head having a magnetic head core with a balanced winding bonded to a slider side surfaceMINEBEA CO LTD·Filed 1995·Granted Aug 13, 1996·9 cites·3 claims
- 4952US5485332AFloating magnetic head having a chamfered magnetic head coreMINEBEA CO LTD·Filed 1993·Granted Jan 16, 1996·8 cites·5 claims
- 5052US2017365793A1Thiadiazole-based compound, light emitting element compound, light emitting element, light emitting device, authentication device, and electronic deviceSEIKO EPSON CORP·Filed 2017·Application pending·0 cites
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 →