Inventor
NAKAYA KENJI
JP39 patents
⚠️ This page may combine multiple inventors who share the name “NAKAYA KENJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TDK CORP
18 patentsUS5792557AAug 11, 1998
Organic EL element
TDK CORP196 citations99
US5635308AJun 3, 1997
Phenylanthracene derivative and organic EL element
TDK CORP229 citations99
US6320311B2Nov 20, 2001
Organic EL device having a hole injecting electrode including a transparent electrode and a metal electrode
TDK CORP97 citations98
US6285039B1Sep 4, 2001
Organic electroluminescent device
TDK CORP150 citations98
US6203933B1Mar 20, 2001
Organic EL element
TDK CORP140 citations98
US6121726ASep 19, 2000
Organic electroluminescent color display having color transmitting layers and fluorescence converting layer with improved structure for color conversion efficiency on a color transmitting layer
TDK CORP105 citations98
US5981092ANov 9, 1999
Organic El device
TDK CORP136 citations98
US6603140B2Aug 5, 2003
Organic EL device
TDK CORP100 citations97
US6333065B1Dec 25, 2001
Process for the production of an organic electroluminescent device
TDK CORP64 citations96
US6118212ASep 12, 2000
Organic electroluminescent light emitting devices
TDK CORP54 citations96
US6188176B1Feb 13, 2001
Organic electroluminescent device and preparation method with ITO electrode (111) orientation
TDK CORP73 citations94
US6597109B1Jul 22, 2003
Organic EL device and method for production thereof
TDK CORP22 citations93
US6339290B1Jan 15, 2002
Organic electroluminescent device and making method
TDK CORP34 citations93
US5154978AOct 13, 1992
Highly corrosion-resistant rare-earth-iron magnets
TDK CORP74 citations93
US6359384B1Mar 19, 2002
Organic electroluminescent device with electron injecting electrode containing ALLi alloy
TDK CORP21 citations92
US6187457B1Feb 13, 2001
Organic EL element and method of producing the same
TDK CORP31 citations92
US6172458B1Jan 9, 2001
Organic electroluminescent device with electrode of aluminum-lithium alloy
TDK CORP13 citations73
US5231523AJul 27, 1993
Liquid crystal elements and conductive organic compound film-forming compositions
TDK CORP13 citations73
OTSUKA PHARMA CO LTD
13 patentsUS5652247AJul 29, 1997
Carbostyril derivatives
OTSUKA PHARMA CO LTD73 citations96
US5559230ASep 24, 1996
Benzoheterocyclic compounds
OTSUKA PHARMA CO LTD75 citations96
US5225402AJul 6, 1993
Carbostyril derivatives
OTSUKA PHARMA CO LTD59 citations96
US5436254AJul 25, 1995
Carbostyril derivatives
OTSUKA PHARMA CO LTD37 citations93
US5985869ANov 16, 1999
Benzoheterocyclic compounds
OTSUKA PHARMA CO LTD31 citations92
US5753677AMay 19, 1998
Benzoheterocyclic compounds
OTSUKA PHARMA CO LTD44 citations92
US5753644AMay 19, 1998
Vasopressin antagonist and oxytocin antagonist
OTSUKA PHARMA CO LTD35 citations92
US5622947AApr 22, 1997
Benzoheterocyclic compounds and vasopressin antagonist and oxytocin antagonist compositions containing a benzoheterocyclic compound
OTSUKA PHARMA CO LTD27 citations92
US5244898ASep 14, 1993
Benzoheterocyclic compounds
OTSUKA PHARMA CO LTD32 citations92
US6140330AOct 31, 2000
Thiazole derivative
OTSUKA PHARMA CO LTD23 citations91
US5300513AApr 5, 1994
Carbostyril derivatives and pharmaceutical composition containing the same
OTSUKA PHARMA CO LTD5 citations61
US9145404B2Sep 29, 2015
Tetomilast polymorphs
OTSUKA PHARMA CO LTD0 citations50
US8993601B2Mar 31, 2015
Tetomilast polymorphs
OTSUKA PHARMA CO LTD0 citations50