Inventor · disambiguated record
Yoshikazu Oka
Also filed as: HIRATA MINORU · OKA YOSHIKAZU
12 granted patents·5 pending applications·136 citations·filing 1975–2020
91Inventor score
Top patents by PatentIndex Score
17 records- 0191US4066648AIsochroman derivativesTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1976·Granted Jan 3, 1978·22 cites·24 claims
- 0283US7144585B1Cilostazol preparationOTSUKA PHARMA CO LTD·Filed 2000·Granted Dec 5, 2006·30 cites·19 claims
- 0383US4521607AChromanyl glycinesTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1982·Granted Jun 4, 1985·14 cites·15 claims
- 0472US4474692AL-Alanyl-N-(indan-2-yl)glycine, its esters and salts thereofTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1983·Granted Oct 2, 1984·23 cites·6 claims
- 0567US4559361ANaphthalenecarboxamides, their production and useSENJU PHARMA CO·Filed 1983·Granted Dec 17, 1985·10 cites·3 claims
- 0666US4148897A1,2-Dihydronaphthalene derivatives and pharmaceutical compositionTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1977·Granted Apr 10, 1979·8 cites·12 claims
- 0761US4472383APeptide derivatives, their production and useTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1983·Granted Sep 18, 1984·7 cites·13 claims
- 0861US2015126521A1Oral FormulationOTSUKA PHARMA CO LTD·Filed 2013·Application pending·0 cites
- 0960US2018055840A1Oral formulationOTSUKA PHARMA CO LTD·Filed 2017·Application pending·0 cites
- 1059US2017202833A1Oral formulationOTSUKA PHARMA CO LTD·Filed 2017·Application pending·0 cites
- 1158US4822818ABicycle compounds, their production and useTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1981·Granted Apr 18, 1989·13 cites·22 claims
- 1254US4199582APiperazine containing dihydronaphthalene derivatives and compositionsTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1978·Granted Apr 22, 1980·4 cites·5 claims
- 1353US2022387423A1Orally disintegrating tabletOTSUKA PHARMA CO LTD·Filed 2020·Application pending·0 cites
- 1446US4035363A1,3-benzoxazine derivativesTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1975·Granted Jul 12, 1977·3 cites·17 claims
- 1539US7867514B2Method for stabilizing preparationOTSUKA PHARMA CO LTD·Filed 2001·Granted Jan 11, 2011·0 cites·3 claims
- 1636US2002058066A1Cilostazol dry coated tabletOTSUKA PHARMA CO LTD·Filed 2001·Application pending·0 cites
- 1734US5098892AProcess for preparation of bicyclic compoundsTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1989·Granted Mar 24, 1992·2 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →