Inventor · disambiguated record
Chikara Murakata
Also filed as: MURAKATA CHIKARA
41 granted patents·9 pending applications·875 citations·filing 1985–2010
98Inventor score
Files withKYOWA HAKKO KOGYO KK25CEPHALON INC10KYOWA HAKKO KIRIN CO LTD5UNIV HOLY GHOST DUQUESNE4FUJI PHOTO FILM CO LTD2
Top patents by PatentIndex Score
50 records- 0197US4923986ADerivatives of physiologically active substance K-252KYOWA HAKKO KOGYO KK·Filed 1987·Granted May 8, 1990·128 cites·4 claims
- 0291US6239168B1Radicicol derivativesKYOWA HAKKO KOGYO KK·Filed 2000·Granted May 29, 2001·28 cites·7 claims
- 0389US7425636B2Thiadiazoline derivativeKYOWA HAKKO KOGYO KK·Filed 2002·Granted Sep 16, 2008·23 cites·8 claims
- 0489US5461146ASelected protein kinase inhibitors for the treatment of neurological disordersCEPHALON INC·Filed 1993·Granted Oct 24, 1995·71 cites·4 claims
- 0589US4877776AK-252 compoundsKYOWA HAKKO KOGYO KK·Filed 1988·Granted Oct 31, 1989·51 cites·15 claims
- 0687US5344926AProcess for producing staurosporine derivativesKYOWA HAKKO KOGYO KK·Filed 1993·Granted Sep 6, 1994·37 cites·4 claims
- 0785US5468872AK-252a functional derivatives potentiate neurotrophin-3 for the treatment of neurological disordersCEPHALON INC·Filed 1993·Granted Nov 21, 1995·45 cites·3 claims
- 0884US7902234B2Thiadiazoline derivativeKYOWA HAKKO KIRIN CO LTD·Filed 2010·Granted Mar 8, 2011·2 cites·2 claims
- 0983US7759371B2Thiadiazoline derivativeKYOWA HAKKO KIRIN CO LTD·Filed 2008·Granted Jul 20, 2010·4 cites·12 claims
- 1083US5516771AUse of indolocarbazole derivatives to treat a pathological condition of the prostateCEPHALON INC·Filed 1994·Granted May 14, 1996·45 cites·12 claims
- 1182US7745641B2Nitrogen-containing heterocyclic compoundKYOWA HAKKO KIRIN CO LTD·Filed 2006·Granted Jun 29, 2010·7 cites·21 claims
- 1281US5733924ADC 107 derivatives and treatment methodsKYOWA HAKKO KOGYO KK·Filed 1996·Granted Mar 31, 1998·32 cites·14 claims
- 1381US5516772AK-252 derivatives which enhance neurotrophin-induced activityCEPHALON INC·Filed 1994·Granted May 14, 1996·38 cites·9 claims
- 1478US5621101AProtein kinase inhibitors for treatment of neurological disordersCEPHALON INC·Filed 1995·Granted Apr 15, 1997·48 cites·16 claims
- 1578US5621100AK-252a derivatives for treatment of neurological disordersCEPHALON INC·Filed 1994·Granted Apr 15, 1997·49 cites·1 claims
- 1677US4588729ATreating convulsions with dihydrouracil derivativesKYOWA HAKKO KOGYO KK·Filed 1985·Granted May 13, 1986·53 cites·14 claims
- 1776US6635662B2Radicicol derivativesKYOWA HAKKO KOGYO KK·Filed 2001·Granted Oct 21, 2003·6 cites·9 claims
- 1875US6953785B2Estra-1,3,5(10)-triene derivativesKYOWA HAKKO KOGYO KK·Filed 2001·Granted Oct 11, 2005·12 cites·21 claims
- 1975US6806266B1Staurosporin derivativesKYOWA HAKKO KOGYO KK·Filed 2000·Granted Oct 19, 2004·9 cites·14 claims
- 2074US5728709AAlkyl and aralkyl-substituted pyrrolocarbazole derivatives that stimulate platelet productionKYOWA HAKKO KOGYO KK·Filed 1996·Granted Mar 17, 1998·21 cites·13 claims
- 2171US6306849B1Selected derivatives of K-252aCEPHALON INC·Filed 1997·Granted Oct 23, 2001·35 cites·4 claims
- 2271US5654427AIndolocarbazole derivatives to treat a pathological condition of the prostateKYOWA HAKKO KOGYO KK·Filed 1995·Granted Aug 5, 1997·26 cites·18 claims
- 2369US5756494AProtein kinase inhibitors for treatment of neurological disordersCEPHALON INC·Filed 1995·Granted May 26, 1998·23 cites·43 claims
- 2468US2007213380A1Thiadiazoline derivativeFUJI PHOTO FILM CO LTD·Filed 2007·Application pending·0 cites
- 2566US6399595B1Steroid sulfatase inhibitors and methods for making and using the sameUNIV HOLY GHOST DUQUESNE·Filed 2001·Granted Jun 4, 2002·3 cites·14 claims
- 2665US5674867AIndolocarbazole derivatives and therapeutic method for stimulating megakaicyocyte productionKYOWA HAKKO KOGYO KK·Filed 1993·Granted Oct 7, 1997·16 cites·3 claims
- 2764US6316491B1Radicicol derivativesKYOWA HAKKO KOGYO KK·Filed 1997·Granted Nov 13, 2001·8 cites·8 claims
- 2863US6436918B1Steroid sulfatase inhibitors and methods for making and using the sameUNIV HOLY GHOST DUQUESNE·Filed 2001·Granted Aug 20, 2002·2 cites·19 claims
- 2963US6376687B1Steroid sulfatase inhibitors and methods for making and using the sameUNIV HOLY GHOST DUQUESNE·Filed 2000·Granted Apr 23, 2002·2 cites·9 claims
- 3058US5604219AIndolocarbazole derivatives that stimulate platelet productionKYOWA HAKKO KOGYO KK·Filed 1995·Granted Feb 18, 1997·7 cites·11 claims
- 3158US5011854AHydroxamic acid derivatives and use thereof in combatting lipoxygenase-mediated diseasesKYOWA HAKKO KOGYO KK·Filed 1989·Granted Apr 30, 1991·5 cites·7 claims
- 3256US5629304ATherapeutic agent for thrombocytopenia and indolocarbazole derivativesKYOWA HAKKO KOGYO KK·Filed 1996·Granted May 13, 1997·19 cites·7 claims
- 3354US5741808AProtein kinase inhibitors for treatmen of neurological disordersCEPHALON INC·Filed 1997·Granted Apr 21, 1998·10 cites·8 claims
- 3453US2006035875A1Remedy for hormone-dependent cancerSHIOTSU YUKIMASA·Filed 2003·Application pending·0 cites
- 3552US6288050B1Steroid sulfatase inhibitors and methods for making and using the sameUNIV HOLY GHOST DUQUESNE·Filed 1999·Granted Sep 11, 2001·7 cites·11 claims
- 3652US2008194653A1Therapeutic Agent For Solid TumorKYOWA HAKKO KOGYO KK·Filed 2006·Application pending·0 cites
- 3751US2004053990A1Radicicol derivativesKYOWA HAKKO KOGYO KK·Filed 2003·Application pending·0 cites
- 3850US7910611B2Therapeutic agent for restenosisKYOWA HAKKO KIRIN CO LTD·Filed 2006·Granted Mar 22, 2011·0 cites·23 claims
- 3948US2011004000A1Mitotic Kinesin InhibitorKYOWA HAKKO KIRIN CO LTD·Filed 2010·Application pending·0 cites
- 4047US6638923B2Estra-1,3,5(10),16-tetraene derivativesKYOWA HAKKO KOGYO KK·Filed 2001·Granted Oct 28, 2003·0 cites·16 claims
- 4147US6262043B1Estra-1,3,5(10),16-tetraene derivativesKYOWA HAKKO KOGYO KK·Filed 2000·Granted Jul 17, 2001·0 cites·4 claims
- 4243US2007112044A1Thiadiazoline derivativeFUJI PHOTO FILM CO LTD·Filed 2004·Application pending·0 cites
- 4343US2005070591A1Indole derivativeFiled 2002·Application pending·0 cites
- 4441US5585488AProcess for producing indolocarbazole derivativesKYOWA HAKKO KOGYO KK·Filed 1995·Granted Dec 17, 1996·2 cites·3 claims
- 4541US2007276017A1Thiadiazoline DerivativeMURAKATA CHIKARA·Filed 2004·Application pending·0 cites
- 4636US6875865B1Selected derivatives of K-252aCEPHALON INC·Filed 2000·Granted Apr 5, 2005·0 cites·5 claims
- 4734US5004833AKS-501 derivativesKYOWA HAKKO KOGYO KK·Filed 1989·Granted Apr 2, 1991·1 cites·4 claims
- 4833US2004254241A1Aryl sulfamate derivativesFiled 2002·Application pending·0 cites
- 4931US6080771ADC107 derivativesKYOWA HAKKO KOGYO KK·Filed 1998·Granted Jun 27, 2000·0 cites·8 claims
- 5031US5981558ADC107 derivativesKYOWA HAKKO KOGYO KK·Filed 1998·Granted Nov 9, 1999·0 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →