Inventor · disambiguated record
Kenji Nakaya
Also filed as: NAKAYA KENJI
24 granted patents·1,818 citations·filing 1990–2009
97Inventor score
Top patents by PatentIndex Score
24 records- 0198US5635308APhenylanthracene derivative and organic EL elementTDK CORP·Filed 1995·Granted Jun 3, 1997·229 cites·12 claims
- 0295US6285039B1Organic electroluminescent deviceTDK CORP·Filed 1997·Granted Sep 4, 2001·150 cites·32 claims
- 0395US5792557AOrganic EL elementTDK CORP·Filed 1995·Granted Aug 11, 1998·196 cites·38 claims
- 0495US5540999AEL element using polythiopheneYAMAMOTO TAKAKAZU·Filed 1994·Granted Jul 30, 1996·226 cites·18 claims
- 0594US6603140B2Organic EL deviceTDK CORP·Filed 2001·Granted Aug 5, 2003·100 cites·15 claims
- 0689US5154978AHighly corrosion-resistant rare-earth-iron magnetsTDK CORP·Filed 1990·Granted Oct 13, 1992·74 cites·12 claims
- 0780US6203933B1Organic EL elementTDK CORP·Filed 1996·Granted Mar 20, 2001·140 cites·8 claims
- 0879US5981092AOrganic El deviceTDK CORP·Filed 1997·Granted Nov 9, 1999·136 cites·17 claims
- 0977US8212080B2Production method of xylylenediamineKUMANO TATSUYUKI·Filed 2009·Granted Jul 3, 2012·4 cites·13 claims
- 1074US6121726AOrganic electroluminescent color display having color transmitting layers and fluorescence converting layer with improved structure for color conversion efficiency on a color transmitting layerTDK CORP·Filed 1997·Granted Sep 19, 2000·105 cites·3 claims
- 1173US6320311B2Organic EL device having a hole injecting electrode including a transparent electrode and a metal electrodeTDK CORP·Filed 1998·Granted Nov 20, 2001·97 cites·8 claims
- 1271US7626057B2Production of xylylenediaminesMITSUBISHI GAS CHEMICAL CO·Filed 2007·Granted Dec 1, 2009·2 cites·8 claims
- 1370US5508136ATrisarylaminobenzene derivatives, compounds for organic EL element, and organic EL elementSHIROTA YASUHIKO·Filed 1994·Granted Apr 16, 1996·33 cites·10 claims
- 1463US6188176B1Organic electroluminescent device and preparation method with ITO electrode (111) orientationTDK CORP·Filed 1998·Granted Feb 13, 2001·73 cites·6 claims
- 1562US6333065B1Process for the production of an organic electroluminescent deviceTDK CORP·Filed 1998·Granted Dec 25, 2001·64 cites·17 claims
- 1661US6359384B1Organic electroluminescent device with electron injecting electrode containing ALLi alloyTDK CORP·Filed 1997·Granted Mar 19, 2002·21 cites·18 claims
- 1757US6118212AOrganic electroluminescent light emitting devicesTDK CORP·Filed 1998·Granted Sep 12, 2000·54 cites·12 claims
- 1855US5231523ALiquid crystal elements and conductive organic compound film-forming compositionsTDK CORP·Filed 1992·Granted Jul 27, 1993·13 cites·10 claims
- 1954US7547803B2Process for producing a high purity aromatic polycarboxylic acidMITSUBISHI GAS CHEMICAL CO·Filed 2004·Granted Jun 16, 2009·1 cites·20 claims
- 2052US8759588B2Process for producing xylylenediamineNAGAO SHINICHI·Filed 2009·Granted Jun 24, 2014·0 cites·17 claims
- 2149US6339290B1Organic electroluminescent device and making methodTDK CORP·Filed 1999·Granted Jan 15, 2002·34 cites·8 claims
- 2247US6187457B1Organic EL element and method of producing the sameTDK CORP·Filed 1997·Granted Feb 13, 2001·31 cites·4 claims
- 2342US6597109B1Organic EL device and method for production thereofTDK CORP·Filed 1998·Granted Jul 22, 2003·22 cites·2 claims
- 2435US6172458B1Organic electroluminescent device with electrode of aluminum-lithium alloyTDK CORP·Filed 1998·Granted Jan 9, 2001·13 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →