Inventor · disambiguated record
Isao Matsunaga
Also filed as: MATSUNAGA ISAO · NAGANO HIROYUKI
22 granted patents·365 citations·filing 1976–1988
95Inventor score
Top patents by PatentIndex Score
22 records- 0196US4666634Avitamin D3 derivatives having a substituent at 2-positionCHUGAI PHARMACEUTICAL CO LTD·Filed 1985·Granted May 19, 1987·185 cites·10 claims
- 0296US4200640ANitric ester of N-(2-hydroxyethyl)nicotinamide and pharmaceutical useCHUGAI PHARMACEUTICAL CO LTD·Filed 1978·Granted Apr 29, 1980·47 cites·17 claims
- 0384US4022768AProcess for preparation of 1α,25-dihydroxycholecalciferolWISCONSIN ALUMNI RES FOUND·Filed 1976·Granted May 10, 1977·15 cites·5 claims
- 0482US4891364AVitamin D derivatives, process for producing the same and their use in the differentiation of tumor cellsCHUGAI PHARMACEUTICAL CO LTD·Filed 1988·Granted Jan 2, 1990·32 cites·23 claims
- 0581US4225524ASteroid derivatives and process for preparing the sameCHUGAI PHARMACEUTICAL CO LTD·Filed 1978·Granted Sep 30, 1980·14 cites·19 claims
- 0678US4415573ANovel uracil derivatives, process for preparing the same and a pharmaceutical composition containing the sameCHUGAI PHARMACEUTICAL CO LTD·Filed 1981·Granted Nov 15, 1983·23 cites·10 claims
- 0765US4229348APenicillanic acid derivativesCHUGAI PHARMACEUTICAL CO LTD·Filed 1979·Granted Oct 21, 1980·5 cites·19 claims
- 0863US4578465APhenyliperazine derivativesCHUGAI PHARMACEUTICAL CO LTD·Filed 1984·Granted Mar 25, 1986·8 cites·5 claims
- 0952US4409234APyrazoloindazole derivatives and bronchodilating compositionCHUGAI PHARMACEUTICAL CO LTD·Filed 1982·Granted Oct 11, 1983·5 cites·23 claims
- 1050US4560686AMethod for treating circulatory diseases by using (2-lower alkoxyphenyl)piperazine derivativesCHUGAI PHARMACEUTICAL CO LTD·Filed 1983·Granted Dec 24, 1985·4 cites·3 claims
- 1150US4298605ACephalosporin derivativesCHUGAI PHARMACEUTICAL CO LTD·Filed 1979·Granted Nov 3, 1981·2 cites·9 claims
- 1249US4179452A3α,6α-Dihydroxy-5β-cholestan-24-one derivatives and process for preparing the sameCHUGAI PHARMACEUTICAL CO LTD·Filed 1978·Granted Dec 18, 1979·2 cites·5 claims
- 1349US4145357ASteroid derivatives and process for preparing the sameCHUGAI PHARMACEUTICAL CO LTD·Filed 1977·Granted Mar 20, 1979·2 cites·14 claims
- 1447US4301161ACephalosporin derivativesCHUGAI PHARMACEUTICAL CO LTD·Filed 1980·Granted Nov 17, 1981·2 cites·5 claims
- 1545US4650888APentaerythritol derivativeCHUGAI PHARMACEUTICAL CO LTD·Filed 1985·Granted Mar 17, 1987·4 cites·6 claims
- 1640US4447453AAnti-peptic ulcer agentCHUGAI PHARMACEUTICAL CO LTD·Filed 1981·Granted May 8, 1984·2 cites·12 claims
- 1740US4438115ACompositions and methods for treating diseases in circulatory organsCHUGAI PHARMACEUTICAL CO LTD·Filed 1981·Granted Mar 20, 1984·1 cites·15 claims
- 1839US4696919AMethod of preventing and treating obesityCHUGAI PHARMACEUTICAL CO LTD·Filed 1984·Granted Sep 29, 1987·8 cites·6 claims
- 1932US4341776ACephalosporin derivativesCHUGAI PHARMACEUTICAL CO LTD·Filed 1980·Granted Jul 27, 1982·0 cites·5 claims
- 2032US4328224ACephalosporin derivativesCHUGAI PHARMACEUTICAL CO LTD·Filed 1980·Granted May 4, 1982·0 cites·4 claims
- 2130US4698364ABenzoic acid derivativesCHUGAI PHARMACEUTICAL CO LTD·Filed 1985·Granted Oct 6, 1987·4 cites·9 claims
- 2227US4355038Aα-Substituted ureido-benzylpenicillanic acidsCHUGAI PHARMACEUTICAL CO LTD·Filed 1981·Granted Oct 19, 1982·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →