Inventor · disambiguated record
Akio Fujii
Also filed as: FUJII AKIO · FUKUOKA TAKEYO
35 granted patents·1 pending application·293 citations·filing 1973–2009
97Inventor score
Top patents by PatentIndex Score
36 records- 0191US4518532AN-[4-(3-aminopropyl)-aminobutyl]-2-(ω-guanidino-fatty-acid-amido)-2-substituted-ethanamide and salt thereofMICROBIAL CHEM RES FOUND·Filed 1982·Granted May 21, 1985·19 cites·10 claims
- 0289US6184381B1Process for preparing optically active compoundsJAPAN SCIENCE & TECH CORP·Filed 1996·Granted Feb 6, 2001·94 cites·12 claims
- 0387US4658058A11-O-methylspergualinMICROBIAL CHEM RES FOUND·Filed 1985·Granted Apr 14, 1987·18 cites·3 claims
- 0484US6887820B1Method for producing optically active compoundsTAKASAGO PERFUMERY CO LTD·Filed 2000·Granted May 3, 2005·30 cites·9 claims
- 0578US4430346ANovel carcinostatic substance and process for synthesis thereofBRISTOL MYERS CO·Filed 1982·Granted Feb 7, 1984·12 cites·15 claims
- 0677US4824955ASelenium oxy chloride-pyridine or bipyridine complexesNIPPON KAYAKU KK·Filed 1986·Granted Apr 25, 1989·13 cites·3 claims
- 0772US4845215APurine derivativeNIPPON KAYAKU KK·Filed 1987·Granted Jul 4, 1989·18 cites·1 claims
- 0869US4851446AImmunosuppressing methodMICROBIAL CHEM RES FOUND·Filed 1987·Granted Jul 25, 1989·9 cites·5 claims
- 0968US3984390ANovel process for producing phleomycin group antibioticsMICROBIAL CHEM RES FOUND·Filed 1973·Granted Oct 5, 1976·11 cites·3 claims
- 1066US4983328AN-(4-(3-aminopropyl)aminobutyl)-2-(ω-guanidino-fatty-acid-amido(-2-substituted-ethanamide, salt thereof, and process for preparation thereofBRISTOL MYERS CO·Filed 1988·Granted Jan 8, 1991·5 cites·3 claims
- 1159US6720449B2Process for preparing optically active amino acid derivativesKANEKA CORP·Filed 2001·Granted Apr 13, 2004·2 cites·9 claims
- 1258US4904585ANovel antibiotic NK84-0218 and process for the production of the sameNIPPON KAYAKU KK·Filed 1987·Granted Feb 27, 1990·7 cites·1 claims
- 1357US4326054ACleomycins and process for producing sameMICROBIAL CHEM RES FOUND·Filed 1980·Granted Apr 20, 1982·6 cites·8 claims
- 1456US4518802AN-[4-[(3-aminopropyl)amino]butyl]-2,2-dihydroxyethanamideMICROBIAL CHEM RES FOUND·Filed 1984·Granted May 21, 1985·4 cites·2 claims
- 1553US7947722B2Imidazolidinone derivative, method of producing the same and method of producing optically active amino acidKANEKA CORP·Filed 2007·Granted May 24, 2011·0 cites·23 claims
- 1653US4743689AAntibiotic derivative of adenineNIPPON KAYAKU KK·Filed 1985·Granted May 10, 1988·12 cites·1 claims
- 1753US3932374ABleomycinic acid and process for preparing thereofMICROBIAL CHEM RES FOUND·Filed 1974·Granted Jan 13, 1976·5 cites·2 claims
- 1852US4603015AMethod for producing glyoxylylspermidine and the use thereof for the production of 15-deoxy spergualin-related compoundsTAKARA SHUZO CO·Filed 1985·Granted Jul 29, 1986·4 cites·5 claims
- 1950US8383833B2Method for producing optically active amino acid derivativeKANEKA CORP·Filed 2009·Granted Feb 26, 2013·0 cites·27 claims
- 2048US4778824AMethod for suppressing a transplantation immunity and treating an allergic disease and an autoimmune diseaseMICROBIAL CHEM RES FOUND·Filed 1987·Granted Oct 18, 1988·4 cites·4 claims
- 2147US8252919B22′-hydroxy-protected ribonucleoside derivative and production method thereofMAEDA HIROFUMI·Filed 2009·Granted Aug 28, 2012·0 cites·18 claims
- 2247US7109352B2Process for producing optically active amino acid derivativesKANEKA CORP·Filed 2003·Granted Sep 19, 2006·0 cites·9 claims
- 2346US4568490AAminopropylaminobleomycin derivatives and process for preparation thereofMICROBIAL CHEM RES FOUND·Filed 1985·Granted Feb 4, 1986·6 cites·8 claims
- 2445US2005153408A1Process for preparation of 2-aminotetralin derivatives and intermediates thereofFiled 2002·Application pending·0 cites
- 2544US8058471B2Method for producing optically active hydroxycarboxylic acid derivatives or salts thereofAMANO SUSUMU·Filed 2007·Granted Nov 15, 2011·0 cites·8 claims
- 2640US3960834AMethod for preparing 3-(methylmercaptol) propylaminobleomycinMICROBIAL CHEM RES FOUND·Filed 1973·Granted Jun 1, 1976·2 cites·4 claims
- 2738US4195018A3-[(S)-1'-Phenylethylamino]propylaminobleomycin, non-toxic salt thereof, and method for producing sameNIPPON KAYAKU KK·Filed 1978·Granted Mar 25, 1980·4 cites·2 claims
- 2837US5214048AOxetanocinsNIPPON KAYAKU KK·Filed 1989·Granted May 25, 1993·2 cites·7 claims
- 2936US4267102ABleomycin group antibioticsNIPPON KAYAKU KK·Filed 1980·Granted May 12, 1981·3 cites·8 claims
- 3035US4238391A3-[(S)-1'-phenylethylamino]propylaminobleomycin, non-toxic salt thereof, and method for producing sameNIPPON KAYAKU KK·Filed 1979·Granted Dec 9, 1980·1 cites·5 claims
- 3134US6281379B1Process for producing norstatin derivativesKANEKA CORP·Filed 2000·Granted Aug 28, 2001·0 cites·38 claims
- 3234US3953594AProcess for preparing bleomycin group antibioticsMICROBIAL CHEM RES FOUND·Filed 1973·Granted Apr 27, 1976·1 cites·1 claims
- 3330US4808703ANovel 3-(4'-aminobutylamino) propylaminobleomycin derivativesMICROBIAL CHEM RES FOUND·Filed 1984·Granted Feb 28, 1989·0 cites·5 claims
- 3429US4537880AAminopropylaminobleomycin derivatives and process for preparation thereofMICROBIAL CHEM RES FOUND·Filed 1984·Granted Aug 27, 1985·1 cites·10 claims
- 3529US4472304A(Amido)N-substituted bleomycins, salts thereof and process for preparation thereofNIPPON KAYAKU KK·Filed 1982·Granted Sep 18, 1984·0 cites·12 claims
- 3628US4500452A(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 →