Inventor · disambiguated record
Yasuo Fukagawa
Also filed as: FUKAGAWA YASUO
16 granted patents·149 citations·filing 1978–2007
92Inventor score
Top patents by PatentIndex Score
16 records- 0190US4939248AOptically active azetidinonesSANRAKU INC·Filed 1987·Granted Jul 3, 1990·38 cites·10 claims
- 0284US4368203AAntibiotics and derivatives thereof having β-lactamase inhibitory activity and production thereofSANRAKU OCEAN CO·Filed 1978·Granted Jan 11, 1983·13 cites·9 claims
- 0383US4778883A3-(CHFCH3)-azetidinone intermediatesSANRAKU INC·Filed 1987·Granted Oct 18, 1988·40 cites·5 claims
- 0466US4318916AAntibiotic PS-5 and derivatives having β-lactamase inhibitory activity and production thereofSANRAKU OCEAN CO·Filed 1978·Granted Mar 9, 1982·8 cites·15 claims
- 0562US4528397AAminocarboxylic acid derivativesSANRAKU OCEAN CO·Filed 1983·Granted Jul 9, 1985·5 cites·10 claims
- 0660US4438201AAmidohydrolase having ability to depantothenylate an antibioticSANRAKU OCEAN CO·Filed 1982·Granted Mar 20, 1984·16 cites·4 claims
- 0753US5270196AArylsulfatase from streptomycesBRISTOL MYERS SQUIBB CO·Filed 1992·Granted Dec 14, 1993·17 cites·3 claims
- 0844US4933439ATylosin derivatives and processes for producing the sameSANRAKU INC·Filed 1988·Granted Jun 12, 1990·6 cites·7 claims
- 0942US4517127Aβ-Lactam derivatives and process for production thereofSANRAKU OCEAN CO·Filed 1983·Granted May 14, 1985·2 cites·3 claims
- 1041US8318684B2Antibiotics, bispolides A1, A2, and A3 as well as bispolides B1, B2a, B2b and B3 and processes for producing said antibioticsNUMATA KEIICHI·Filed 2007·Granted Nov 27, 2012·0 cites·14 claims
- 1140US4451401AAntibiotics and process for production thereofSANRAKU OCEAN CO·Filed 1982·Granted May 29, 1984·1 cites·7 claims
- 1239US4996314A6-(disubstituted amino)carbapenem compoundsSANRAKU INC·Filed 1988·Granted Feb 26, 1991·1 cites·5 claims
- 1339US4508648APhosphoric ester of antibiotic OA-6129SANRAKU OCEAN CO·Filed 1982·Granted Apr 2, 1985·1 cites·1 claims
- 1432US4853407AAminoethylcysteine derivativesSANRAKU INC·Filed 1988·Granted Aug 1, 1989·0 cites·5 claims
- 1532US4426390ANovel β-lactam compounds, process for producing thereof, and use thereof as medicinesSANRAKU OCEAN CO·Filed 1981·Granted Jan 17, 1984·1 cites·7 claims
- 1631US4812563A6-(disubstituted amino)carbapenam compoundsSANRAKU INC·Filed 1987·Granted Mar 14, 1989·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →