Inventor · disambiguated record
Hitoshi Arai
Also filed as: ARAI HITOSHI
13 granted patents·3 pending applications·109 citations·filing 1989–2008
89Inventor score
Top patents by PatentIndex Score
16 records- 0193US7956060B2Pyrimidine derivative compoundKYOWA HAKKO KIRIN CO LTD·Filed 2005·Granted Jun 7, 2011·37 cites·8 claims
- 0287US7524852B2Bicyclic pyrimidine derivativesKYOWA HAKKO KOGYO KK·Filed 2003·Granted Apr 28, 2009·50 cites·39 claims
- 0371US7998954B2Pyrimidodiazepinone derivativeKYOWA HAKKO KIRIN CO LTD·Filed 2008·Granted Aug 16, 2011·3 cites·26 claims
- 0465US8507484B2Preventive and/or therapeutic agent for neutrophilic inflammatory diseasesIIDA KYOICHIRO·Filed 2005·Granted Aug 13, 2013·2 cites·19 claims
- 0558US5068349AMitomycin derivativesKYOWA HAKKO KOGYO KK·Filed 1989·Granted Nov 26, 1991·8 cites·3 claims
- 0657US5334611A6-ethyl mitomycin derivativesKYOWA HAKKO KOGYO KK·Filed 1993·Granted Aug 2, 1994·4 cites·2 claims
- 0751US5256685AMitomycin derivativesKYOWA HAKKO KOGYO KK·Filed 1992·Granted Oct 26, 1993·3 cites·14 claims
- 0841US2006252679A1Preventive and/or trerapeutic drgs for itchSAKI MAYUMI·Filed 2003·Application pending·0 cites
- 0941US2006239999A1Preventive and/or therapeutic drugs for asthmaSAKI MAYUMI·Filed 2003·Application pending·0 cites
- 1040US2006046992A1Heterobicyclic compoundsKYOWA HAKKO KOGYO KK·Filed 2003·Application pending·0 cites
- 1133US5218126AHalogen substituted mitomycin derivativesKYOWA HAKKO KOGYO KK·Filed 1991·Granted Jun 8, 1993·0 cites·6 claims
- 1233US5180825AMitomycin derivativesKYOWA HAKKO KOGYO KK·Filed 1991·Granted Jan 19, 1993·1 cites·19 claims
- 1332US5344938AIndole 3-carboxylic acid derivativesKYOWA HAKKO KOGYO KK·Filed 1993·Granted Sep 6, 1994·1 cites·2 claims
- 1432US5021423AMitomycin derivatives and intermediates thereforKYOWA HAKKO KOGYO KK·Filed 1989·Granted Jun 4, 1991·0 cites·9 claims
- 1531US6080771ADC107 derivativesKYOWA HAKKO KOGYO KK·Filed 1998·Granted Jun 27, 2000·0 cites·8 claims
- 1631US5981558ADC107 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 →