Inventor
FUJITA TETSUJI
JP55 patents
⚠️ This page may combine multiple inventors who share the name “FUJITA TETSUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
20 patentsUS8803138B2Aug 12, 2014
Light emitting element, light emitting device and electronic apparatus
SEIKO EPSON CORP15 citations93
US9401460B2Jul 26, 2016
Light emitting element
SEIKO EPSON CORP4 citations84
US9178102B2Nov 3, 2015
Light emitting apparatus, manufacturing method of light emitting apparatus, light receiving and emitting apparatus, and electronic equipment
SEIKO EPSON CORP6 citations84
US9722184B2Aug 1, 2017
Thiadiazole, compound for light-emitting elements, light-emitting element, light-emitting apparatus, authentication apparatus, and electronic device
SEIKO EPSON CORP2 citations73
US9412909B2Aug 9, 2016
Light emitting apparatus, manufacturing method of light emitting apparatus, light receiving and emitting apparatus, and electronic equipment
SEIKO EPSON CORP3 citations73
US9324952B2Apr 26, 2016
Thiadiazole, compound for light-emitting elements, light-emitting element, light-emitting apparatus, authentication apparatus, and electronic device
SEIKO EPSON CORP3 citations73
US11063171B2Jul 13, 2021
Light emitting device, method of manufacturing light emitting device, and projector
SEIKO EPSON CORP2 citations71
US9224928B2Dec 29, 2015
Light emitting element, light emitting device and electronic apparatus
SEIKO EPSON CORP2 citations63
US9064768B2Jun 23, 2015
Imaging apparatus and medical equipment
SEIKO EPSON CORP3 citations63
US7727641B2Jun 1, 2010
Compound for organic electroluminescence and organic electroluminescent device
SEIKO EPSON CORP4 citations63
US7727642B2Jun 1, 2010
Compound for organic electroluminescence and organic electroluminescent device
SEIKO EPSON CORP6 citations63
US11172853B2Nov 16, 2021
Biological information acquisition device and biological information acquisition method
SEIKO EPSON CORP0 citations62
US10357189B2Jul 23, 2019
Biological information acquisition device and biological information acquisition method
SEIKO EPSON CORP1 citations62
US11947249B2Apr 2, 2024
Light emitting apparatus, method for manufacturing light emitting apparatus, and projector
SEIKO EPSON CORP0 citations61
US11177316B2Nov 16, 2021
Method of manufacturing light emitting device, light emitting device, and projector
SEIKO EPSON CORP0 citations60
US9741940B2Aug 22, 2017
Thiadiazole, light-emitting element, light-emitting apparatus, authentication apparatus, and electronic device
SEIKO EPSON CORP1 citations52
US9405954B2Aug 2, 2016
Imaging apparatus and medical equipment
SEIKO EPSON CORP0 citations52
US8710442B2Apr 29, 2014
Sensing device and electronic apparatus
SEIKO EPSON CORP1 citations52
US10804472B2Oct 13, 2020
Light-emitting element, light-emitting device, light source, authentication device, and electronic apparatus
SEIKO EPSON CORP0 citations51
US8383250B2Feb 26, 2013
Light-emitting element, light-emitting apparatus, display apparatus, and electronic device
SEIKO EPSON CORP0 citations42
TDK CORP
9 patentsUS6613454B2Sep 2, 2003
Organic EL device
TDK CORP75 citations97
US6344283B1Feb 5, 2002
Organic electroluminescent elements
TDK CORP78 citations96
US7097918B2Aug 29, 2006
Organic EL device
TDK CORP27 citations92
US7097917B1Aug 29, 2006
Compounds for use in organic EL devices and organic EL devices
TDK CORP35 citations92
US6623872B2Sep 23, 2003
Organic EL device
TDK CORP33 citations92
US6399223B1Jun 4, 2002
Compound for use in organic EL device and organic EL device
TDK CORP27 citations92
US6387547B1May 14, 2002
Compound for use in organic EL device and organic EL device
TDK CORP27 citations92
US7318965B2Jan 15, 2008
Perylene derivative synthesis process, perylene derivative and organic EL device
TDK CORP2 citations62
US7732652B2Jun 8, 2010
Perylene derivative synthesis process, perylene derivative and organic EL device
TDK CORP0 citations51
FUJITA TETSUJI
8 patentsUS9159932B2Oct 13, 2015
Light emitting element, light emitting device, and electronic device
FUJITA TETSUJI11 citations84
US9072150B2Jun 30, 2015
Thiadiazole-based compound, light emitting element compound, light emitting element, light emitting device, authentication device, and electronic apparatus
FUJITA TETSUJI6 citations84
US8823257B2Sep 2, 2014
Light-emitting device, method for manufacturing the same, display device, and electronic apparatus
FUJITA TETSUJI5 citations72
US8415685B2Apr 9, 2013
Light-emitting element, light-emitting apparatus, display, and electronic device
FUJITA TETSUJI6 citations72
US9876177B2Jan 23, 2018
Thiadiazole-based compound, light emitting element compound, light emitting element, light emitting device, authentication device, and electronic device
FUJITA TETSUJI0 citations52
US8790792B2Jul 29, 2014
Organic electroluminescent device
FUJITA TETSUJI1 citations52
US8427517B2Apr 23, 2013
Light-emitting element, exposure head and image-forming apparatus
FUJITA TETSUJI1 citations52
US8277955B2Oct 2, 2012
Compound for organic EL device and organic EL device
FUJITA TETSUJI0 citations52
YAMAMOTO HIDETOSHI
6 patentsUS9067952B2Jun 30, 2015
Thiadiazole, light-emitting element, light-emitting apparatus, authentication apparatus, and electronic device
YAMAMOTO HIDETOSHI7 citations83
US8395314B2Mar 12, 2013
Light-emitting element, display device, and electronic apparatus having a plurality of interlayers
YAMAMOTO HIDETOSHI8 citations83
US8916854B2Dec 23, 2014
Light-emitting element, light-emitting device, display device, and electronic apparatus
YAMAMOTO HIDETOSHI2 citations62
US8587000B2Nov 19, 2013
Light-emitting element, light-emitting device, display, and electronic apparatus
YAMAMOTO HIDETOSHI2 citations62
US8835911B2Sep 16, 2014
Light emitting element, light emitting device, display, and electronic device
YAMAMOTO HIDETOSHI1 citations51
US8835943B2Sep 16, 2014
Light-emitting element, light-emitting device, display device, and electronic apparatus
YAMAMOTO HIDETOSHI1 citations51
MINEBEA CO LTD
4 patentsUS5485332AJan 16, 1996
Floating magnetic head having a chamfered magnetic head core
MINEBEA CO LTD8 citations74
US6278581B1Aug 21, 2001
Floating magnetic head having a magnetic head core fixed to a slider side surface
MINEBEA CO LTD9 citations73
US5546251AAug 13, 1996
Floating magnetic head having a magnetic head core with a balanced winding bonded to a slider side surface
MINEBEA CO LTD9 citations73
US5548459AAug 20, 1996
Floating magnetic head
MINEBEA CO LTD3 citations62
TAKATA CORP
1 patentKANDA EIJI
1 patentYAMAZAKI MAZAK CORP
1 patentShowing the top 50 of 55 patents by PatentIndex Score.