Inventor · disambiguated record
Kazumi Nii
Also filed as: NII KAZUMI
52 granted patents·13 pending applications·558 citations·filing 1991–2022
98Inventor score
Top patents by PatentIndex Score
65 records- 0198US6821645B2Light-emitting material comprising orthometalated iridium complex, light-emitting device, high efficiency red light-emitting device, and novel iridium complexFUJI PHOTO FILM CO LTD·Filed 2000·Granted Nov 23, 2004·134 cites·16 claims
- 0297US7569692B2Organic electroluminescent devices and metal complex compoundsFUJIFILM CORP·Filed 2004·Granted Aug 4, 2009·41 cites·1 claims
- 0397US7238437B2Light-emitting material comprising orthometalated iridium complex, light-emitting device, high efficiency red light-emitting device, and novel iridium complexFUJIFILM CORP·Filed 2004·Granted Jul 3, 2007·82 cites·5 claims
- 0492US7994319B2Light-emitting material comprising orthometalated iridium complex, light-emitting device, high efficiency red light-emitting device, and novel iridium complexFUJIFILM CORP·Filed 2010·Granted Aug 9, 2011·6 cites·6 claims
- 0591US7951472B2Light-emitting material comprising orthometalated iridium complex, light-emitting device, high efficiency red light-emitting device, and novel iridium complexFUJIFILM CORP·Filed 2010·Granted May 31, 2011·8 cites·45 claims
- 0690US6689491B1Luminescent device material, luminescent device using the same, and amine compoundFUJI PHOTO FILM CO LTD·Filed 2000·Granted Feb 10, 2004·47 cites·5 claims
- 0789US10396299B2Organic electroluminescent devices and metal complex compoundsUDC IRELAND LTD·Filed 2017·Granted Aug 27, 2019·2 cites·23 claims
- 0889US8940415B2Organic electroluminescent devices and metal complex compoundsNII KAZUMI·Filed 2012·Granted Jan 27, 2015·5 cites·7 claims
- 0989US8303863B2Infrared absorptive compound, and fine particle containing the compoundNII KAZUMI·Filed 2009·Granted Nov 6, 2012·8 cites·8 claims
- 1089US7951945B2Light-emitting material comprising orthometalated iridium complex, light-emitting device, high efficiency red light-emitting device, and novel iridium complexFUJIFILM CORP·Filed 2010·Granted May 31, 2011·4 cites·17 claims
- 1189US7951946B2Light-emitting material comprising orthometalated iridium complex, light-emitting device, high efficiency red light-emitting device, and novel iridium complexFUJIFILM CORP·Filed 2010·Granted May 31, 2011·4 cites·23 claims
- 1289US6555959B1Material for light emitting device, light emitting device using thereof, and amine compoundFUJI PHOTO FILM CO LTD·Filed 2000·Granted Apr 29, 2003·23 cites·8 claims
- 1388US8742108B2Light-emitting material comprising orthometalated iridium complex, light-emitting device, high efficiency red light-emitting device, and novel iridium complexIGARASHI TATSUYA·Filed 2012·Granted Jun 3, 2014·2 cites·2 claims
- 1488US8211553B2Organic electroluminescent devices and metal complex compoundsNII KAZUMI·Filed 2009·Granted Jul 3, 2012·10 cites·6 claims
- 1586US11393989B2Organic electroluminescent devices and metal complex compoundsUDC IRELAND LTD·Filed 2019·Granted Jul 19, 2022·1 cites·16 claims
- 1686US5279919ASilver halide photographic materialFUJI PHOTO FILM CO LTD·Filed 1992·Granted Jan 18, 1994·15 cites·13 claims
- 1785US7683365B2Image pickup deviceFUJIFILM CORP·Filed 2005·Granted Mar 23, 2010·9 cites·20 claims
- 1883US8247964B2Light-emitting material comprising orthometalated iridium complex, light-emitting device, high efficiency red light-emitting device, and novel iridium complexIGARASHI TATSUYA·Filed 2011·Granted Aug 21, 2012·2 cites·21 claims
- 1983US5316890ASilver halide photographic materialFUJI PHOTO FILM CO LTD·Filed 1993·Granted May 31, 1994·13 cites·15 claims
- 2082US2022344601A1Organic Electroluminescent Devices and Metal Complex CompoundsUDC IRELAND LTD·Filed 2022·Application pending·0 cites
- 2179US5578433AProcessing composition and processing method for silver halide photographic materialsFUJI PHOTO FILM CO LTD·Filed 1995·Granted Nov 26, 1996·10 cites·10 claims
- 2276US8034935B2Light-emitting material comprising orthometalated iridium complex, light-emitting device, high efficiency red light-emitting device, and novel iridium complexFUJIFILM CORP·Filed 2010·Granted Oct 11, 2011·4 cites·6 claims
- 2376US6693295B2Indole derivative, material for light-emitting device and light-emitting device using the sameFUJI PHOTO FILM CO LTD·Filed 2001·Granted Feb 17, 2004·19 cites·15 claims
- 2475US5284732ASilver halide photographic materialFUJI PHOTO FILM CO LTD·Filed 1993·Granted Feb 8, 1994·9 cites·13 claims
- 2573US6379823B1Electroluminescence device, cyclic azine compound and production process of cyclic azine dyeFUJI PHOTO FILM CO LTD·Filed 1998·Granted Apr 30, 2002·14 cites·6 claims
- 2672US10153444B2Organic electroluminescent devices and metal complex compoundsUDC IRELAND LTD·Filed 2014·Granted Dec 11, 2018·0 cites·3 claims
- 2772US6593013B2Electroluminescence device, cyclic azine compound and production process of cyclic azine dyeFUJI PHOTO FILM CO LTD·Filed 2002·Granted Jul 15, 2003·11 cites·3 claims
- 2870US8603370B2Near-infrared absorptive composition, near-infrared absorptive coated material, near-infrared absorptive liquid dispersion, near-infrared absorptive ink, printed material, and near-infrared absorptive image-forming compositionKATO SHUNYA·Filed 2009·Granted Dec 10, 2013·3 cites·28 claims
- 2970US6537687B1Light emitting element materialFUJI PHOTO FILM CO LTD·Filed 2000·Granted Mar 25, 2003·22 cites·7 claims
- 3066US8841651B2Photoelectric conversion element and imaging deviceMITSUI TETSURO·Filed 2008·Granted Sep 23, 2014·2 cites·18 claims
- 3166US5618652AImage formation method by silver salt diffusion transferFUJI PHOTO FILM CO LTD·Filed 1996·Granted Apr 8, 1997·5 cites·2 claims
- 3263US8741513B2Method for preparing alizarin derivative compound, novel alizarin derivative compound, surface modification method, photoelectric conversion film, photoelectric conversion element, and electrophotographic photoreceptorTAKAHASHI KEITA·Filed 2010·Granted Jun 3, 2014·1 cites·11 claims
- 3363US6514633B1Light emitting device material, light emitting device using thereof, and amine compoundFUJI PHOTO FILM CO LTD·Filed 2000·Granted Feb 4, 2003·8 cites·15 claims
- 3460US7618717B2Light emitting deviceFUJIFILM CORP·Filed 2005·Granted Nov 17, 2009·1 cites·12 claims
- 3558US2007231602A1Light-emitting material comprising orthometalated iridium complex, light-emitting device, high efficiency red light-emitting device, and novel iridium complexFUJIFILM CORP·Filed 2007·Application pending·0 cites
- 3657US5962200AColor developing agent, processing composition and color image-forming methodFUJI PHOTO FILM CO LTD·Filed 1997·Granted Oct 5, 1999·3 cites·14 claims
- 3757US2011139969A1Photoelectric conversion device, image pickup device, and method for applying electric field to the sameFUJIFILM CORP·Filed 2011·Application pending·0 cites
- 3855US7740956B2Organic electroluminescent deviceFUJIFILM CORP·Filed 2003·Granted Jun 22, 2010·4 cites·26 claims
- 3955US2006054987A1Photoelectric conversion device, image pickup device, and method for applying electric field to the sameFUJI PHOTO FILM CO LTD·Filed 2005·Application pending·0 cites
- 4054US5340704AMethod for processing a silver halide photographic materialFUJI PHOTO FILM CO LTD·Filed 1993·Granted Aug 23, 1994·4 cites·18 claims
- 4154US2009082570A1Method of manufacturing bipyridinium compound and synthetic intermediate of the same, method of manufacturing dye compound, and novel bipyridinium compound and novel dye compound comprising the sameFUJIFILM CORP·Filed 2008·Application pending·0 cites
- 4253US7244550B2Silver halide color photographic photosensitive materialFUJIFILM CORP·Filed 2005·Granted Jul 17, 2007·0 cites·22 claims
- 4352US6881973B2Indole derivative, material for light-emitting device and light-emitting device using the sameFUJI PHOTO FILM CO LTD·Filed 2003·Granted Apr 19, 2005·2 cites·18 claims
- 4452US6005111AColor developing agent, processing composition and color image-forming methodFUJI PHOTO FILM CO LTD·Filed 1998·Granted Dec 21, 1999·4 cites·5 claims
- 4552US2009022047A1Optical recording medium and method of recording visible informationFUJIFILM CORP·Filed 2008·Application pending·0 cites
- 4651US6921591B2Luminescent device material, luminescent device using the same, and amine compoundFUJI PHOTO FILM CO LTD·Filed 2003·Granted Jul 26, 2005·1 cites·16 claims
- 4750US8039630B2Cationic compound, dye compound and method of using the same, and optical information recording mediumFUJIFILM CORP·Filed 2006·Granted Oct 18, 2011·0 cites·12 claims
- 4849US2008274423A1Optical information recording medium and method of recording informationFUJIFILM CORP·Filed 2008·Application pending·0 cites
- 4949US2009291391A1Optical information-recording medium, method for manufacturing optical information-recording medium, method for visible information recording, use of mixture, and mixtureFUJIFILM CORP·Filed 2006·Application pending·0 cites
- 5047US2005065351A1Luminescent device material, luminescent device using the same, and amine compoundFUJI PHOTO FILM CO LTD·Filed 2004·Application pending·0 cites
Showing the top 50 of 65 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →