Inventor · disambiguated record
Keiko Ishidai
Also filed as: ISHIDAI KEIKO
9 granted patents·5 pending applications·11 citations·filing 1999–2017
79Inventor score
Files withDAIFUKU KOJI2ISHIDAI KEIKO2KONICA MINOLTA BUSINESS TECH2KONICA MINOLTA INC2KONICA MINOLTA MED & GRAPHIC2
Top patents by PatentIndex Score
14 records- 0186US10483471B2Organic electroluminescent element, method for producing organic electroluminescent element, display, and lighting deviceKONICA MINOLTA INC·Filed 2017·Granted Nov 19, 2019·4 cites·7 claims
- 0270US6248512B1Thermally processable photosensitive material, image forming method and antifoggantKONISHIROKU PHOTO IND·Filed 1999·Granted Jun 19, 2001·6 cites·4 claims
- 0351US2016285008A1Organic electroluminescent element, display device, and lighting deviceKONICA MINOLTA INC·Filed 2014·Application pending·0 cites
- 0450US7943279B2Copper complex compound and electrophotographic toner containing the sameKONICA MINOLTA BUSINESS TECH·Filed 2009·Granted May 17, 2011·0 cites·15 claims
- 0548US8729285B2Copper complex compound and electrophotographic toner containing the sameDAIFUKU KOJI·Filed 2011·Granted May 20, 2014·0 cites·5 claims
- 0648US8329368B2Electrophotographic tonerDAIFUKU KOJI·Filed 2009·Granted Dec 11, 2012·1 cites·16 claims
- 0748US8269018B2Pyrazolotriazole compound and electrophotographic tonerOOKUBO KIMIHIKO·Filed 2011·Granted Sep 18, 2012·0 cites·14 claims
- 0848US2009233207A1Pyrazolotriazole compound and electrophotographic tonerKONICA MINOLTA BUSINESS TECH·Filed 2009·Application pending·0 cites
- 0946US9062225B2Production process for colorant, colorant composition, toner, ink for ink jet recording and color filterISHIDAI KEIKO·Filed 2013·Granted Jun 23, 2015·0 cites·6 claims
- 1042US7270938B2Photopolymerizable composition, light sensitive planographic printing plate material and manufacturing method of planographic printing plateKONICA MINOLTA MED & GRAPHIC·Filed 2006·Granted Sep 18, 2007·0 cites·5 claims
- 1138US2006216647A1Photopolymerizable composition, light sensitive planographic printing plate material and manufacturing method of planographic printing plateKONICA MINOLTA MED & GRAPHIC·Filed 2006·Application pending·0 cites
- 1238US2013253213A1Method for producing cyanoacetic acid, method for producing cyanoacetic acid derivative and method for producing metal containing compoundIKEMIZU DAI·Filed 2013·Application pending·0 cites
- 1337US8846965B2Toner for electrophotography and metal-containing compoundOOKUBO KIMIHIKO·Filed 2010·Granted Sep 30, 2014·0 cites·2 claims
- 1431US2007259282A1Electrophotographic toner, image forming method, dye and metal chelate dyeISHIDAI KEIKO·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →