Inventor · disambiguated record
Hiroitsu Kawata
Also filed as: KAWATA HIROITSU
17 granted patents·1,225 citations·filing 1974–1988
96Inventor score
Files withYAMANOUCHI PHARMA CO LTD17
Top patents by PatentIndex Score
17 records- 0196US4343789ASustained release pharmaceutical composition of solid medical materialYAMANOUCHI PHARMA CO LTD·Filed 1980·Granted Aug 10, 1982·255 cites·13 claims
- 0295US4404183ASustained release pharmaceutical composition of solid medical materialYAMANOUCHI PHARMA CO LTD·Filed 1982·Granted Sep 13, 1983·210 cites·9 claims
- 0393US4685911APatchYAMANOUCHI PHARMA CO LTD·Filed 1985·Granted Aug 11, 1987·161 cites·3 claims
- 0492US4673564ASustained release pharmaceutical composition of solid medical materialYAMANOUCHI PHARMA CO LTD·Filed 1985·Granted Jun 16, 1987·114 cites·5 claims
- 0590US4412986ANifedipine-containing solid preparation compositionYAMANOUCHI PHARMA CO LTD·Filed 1981·Granted Nov 1, 1983·129 cites·15 claims
- 0685US4380534ASolid drug preparationsYAMANOUCHI PHARMA CO LTD·Filed 1981·Granted Apr 19, 1983·60 cites·14 claims
- 0784US4879119APatchYAMANOUCHI PHARMA CO LTD·Filed 1988·Granted Nov 7, 1989·78 cites·7 claims
- 0880US4724148AAmosulalol hydrochloride long acting formulationYAMANOUCHI PHARMA CO LTD·Filed 1986·Granted Feb 9, 1988·26 cites·4 claims
- 0980US4092428AProcess of preparing stable prostaglandin E group-containing formulationYAMANOUCHI PHARMA CO LTD·Filed 1977·Granted May 30, 1978·14 cites·11 claims
- 1079US4765988AAmosulalol hydrochloride long acting formulationsYAMANOUCHI PHARMA CO LTD·Filed 1987·Granted Aug 23, 1988·24 cites·5 claims
- 1177US4578391AOily compositions of antitumor drugsYAMANOUCHI PHARMA CO LTD·Filed 1983·Granted Mar 25, 1986·45 cites·15 claims
- 1270US4036954AStable prostaglandin E group-containing formulationYAMANOUCHI PHARMA CO LTD·Filed 1974·Granted Jul 19, 1977·21 cites·10 claims
- 1363US4637930ATransdermal formulation of nicardipine hydrochlorideYAMANOUCHI PHARMA CO LTD·Filed 1985·Granted Jan 20, 1987·29 cites·12 claims
- 1457US4258179ACoating agents for solid medicamentsYAMANOUCHI PHARMA CO LTD·Filed 1978·Granted Mar 24, 1981·12 cites·20 claims
- 1554US4758437AComposition for long acting nicardipine preparation and process of producing the compositionYAMANOUCHI PHARMA CO LTD·Filed 1987·Granted Jul 19, 1988·21 cites·13 claims
- 1652US4707376AGranular composition of difficult digestible polysaccharidesYAMANOUCHI PHARMA CO LTD·Filed 1985·Granted Nov 17, 1987·23 cites·2 claims
- 1733US4772590AOily composition of aclarubicin or hydrochloride thereofYAMANOUCHI PHARMA CO LTD·Filed 1986·Granted Sep 20, 1988·3 cites·12 claims
Join the waitlist — get patent alerts
Get an alert when Hiroitsu Kawata files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →