Inventor · disambiguated record
Katsutoshi Takahashi
Also filed as: TAKAHASHI KATSUTOSHI
23 granted patents·141 citations·filing 1978–1992
95Inventor score
Top patents by PatentIndex Score
23 records- 0186US4921984ANovel platinum complexesNIPPON KAYAKU KK·Filed 1989·Granted May 1, 1990·16 cites·18 claims
- 0280US4607114ANovel platinum complexesNIPPON KAYAKU KK·Filed 1984·Granted Aug 19, 1986·13 cites·13 claims
- 0377US4824955ASelenium oxy chloride-pyridine or bipyridine complexesNIPPON KAYAKU KK·Filed 1986·Granted Apr 25, 1989·13 cites·3 claims
- 0472US4861905APlatinum complexesNIPPON KAYAKU KK·Filed 1987·Granted Aug 29, 1989·13 cites·4 claims
- 0572US4737589APlatinum ComplexesNIPPON KAYAKU KK·Filed 1986·Granted Apr 12, 1988·7 cites·5 claims
- 0671US5041447AOxetanocin-related compounds and pharmaceutical compositions containing themNIPPON KAYAKU KK·Filed 1989·Granted Aug 20, 1991·10 cites·8 claims
- 0761US4956504ANovel spergualin-related compounds and process for producing the sameZAIDAN HOJIN BISEIBUTSU·Filed 1987·Granted Sep 11, 1990·9 cites·10 claims
- 0861US4529549ASpergualin-related compounds and process for the preparation thereofMICROBIAL CHEM RES FOUND·Filed 1983·Granted Jul 16, 1985·7 cites·6 claims
- 0960US4864043APlatinum complexesNIPPON KAYAKU KK·Filed 1987·Granted Sep 5, 1989·4 cites·4 claims
- 1057US5747502AProcess for preparing benzo c!phenanthridinium derivatives, novel compounds prepared by said process, and antitumor agentsNIPPON KAYAKU KK·Filed 1992·Granted May 5, 1998·24 cites·12 claims
- 1154US4556735ASpergualin-related compounds having a phenylene group as well as a process for producing the sameMICROBIAL CHEM RES FOUND·Filed 1985·Granted Dec 3, 1985·6 cites·5 claims
- 1246US4568490AAminopropylaminobleomycin derivatives and process for preparation thereofMICROBIAL CHEM RES FOUND·Filed 1985·Granted Feb 4, 1986·6 cites·8 claims
- 1344US4273761AMethod of enhancing absorption of antitumor agent into gastrointestinal tumor site and orally administrable antitumor compositions thereforNIPPON KAYAKU KK·Filed 1978·Granted Jun 16, 1981·4 cites·12 claims
- 1442US5128493APlatinum complexesNIPPON KAYAKU KK·Filed 1990·Granted Jul 7, 1992·3 cites·5 claims
- 1540US5068376ANovel platinum complexesNIPPON KAYAKU KK·Filed 1990·Granted Nov 26, 1991·1 cites·9 claims
- 1637US5214048AOxetanocinsNIPPON KAYAKU KK·Filed 1989·Granted May 25, 1993·2 cites·7 claims
- 1737US5179084AAntiviral phosphoric acid esters of oxetanocinsNIPPON KAYAKU KK·Filed 1990·Granted Jan 12, 1993·2 cites·4 claims
- 1832US4987246ANovel platinum complexesNIPPON KAYAKU KK·Filed 1989·Granted Jan 22, 1991·0 cites·2 claims
- 1931US4327081AMethod of enhancing absorption of antitumor agent into gastro-intestinal tumor site and orally administrable antitumor compositions thereforNIPPON KAYAKU KK·Filed 1979·Granted Apr 27, 1982·0 cites·12 claims
- 2030US4808703ANovel 3-(4'-aminobutylamino) propylaminobleomycin derivativesMICROBIAL CHEM RES FOUND·Filed 1984·Granted Feb 28, 1989·0 cites·5 claims
- 2129US4537880AAminopropylaminobleomycin derivatives and process for preparation thereofMICROBIAL CHEM RES FOUND·Filed 1984·Granted Aug 27, 1985·1 cites·10 claims
- 2229US4472304A(Amido)N-substituted bleomycins, salts thereof and process for preparation thereofNIPPON KAYAKU KK·Filed 1982·Granted Sep 18, 1984·0 cites·12 claims
- 2328US4500452A(Amido)N-substituted bleomycins, salts thereof and process for preparation thereofNIPPON KAYAKU KK·Filed 1984·Granted Feb 19, 1985·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →