Inventor · disambiguated record
Akio Izawa
Also filed as: IZAWA AKIO · SHIMAGO KOZO
12 granted patents·125 citations·filing 1973–1977
90Inventor score
Technology areasC07D
Files withSUMITOMO CHEMICAL CO12
Top patents by PatentIndex Score
12 records- 0194US3992371APenicillins substituted with heterocyclic and substituted phenyl groupsSUMITOMO CHEMICAL CO·Filed 1974·Granted Nov 16, 1976·33 cites·25 claims
- 0294US3954733ANaphthyridine-3-carboxamido-benzylpenicillins and salts thereofSUMITOMO CHEMICAL CO·Filed 1973·Granted May 4, 1976·33 cites·18 claims
- 0386US4156724AN-acylamino-alpha-arylacetamido cephalosporins and antibacterial compositions and methods containing themSUMITOMO CHEMICAL CO·Filed 1975·Granted May 29, 1979·17 cites·20 claims
- 0483US4160087AN-acylamino-α-arylacetamido cephalosporinsSUMITOMO CHEMICAL CO·Filed 1977·Granted Jul 3, 1979·13 cites·1 claims
- 0578US4008220APenicillinsSUMITOMO CHEMICAL CO·Filed 1974·Granted Feb 15, 1977·9 cites·20 claims
- 0674US4117126A7-(α-(4-Hydroxy-1,5-naphthyridine-3-carbonamido)-α-phenylacetamido) cephalosporin derivativesSUMITOMO CHEMICAL CO·Filed 1977·Granted Sep 26, 1978·7 cites·3 claims
- 0773US4061748A7-(α-(4-Hydroxy-1,5-naphthyridine-3-carbonamido)-α-phenylacetamido) cephalosporin derivativesSUMITOMO CHEMICAL CO·Filed 1976·Granted Dec 6, 1977·7 cites·6 claims
- 0852US3954775AThiazolo(5,4-f)quinoline-8-carboxylic acid derivativesSUMITOMO CHEMICAL CO·Filed 1974·Granted May 4, 1976·3 cites·4 claims
- 0943US4046904ANovel penicillin, and its preparation and useSUMITOMO CHEMICAL CO·Filed 1976·Granted Sep 6, 1977·1 cites·3 claims
- 1042US4008237A2,3,5,8-Tetrahydro-5-alkoxy-8-oxofuro(2,3-g)quinoline-7-carboxylic acid derivativesSUMITOMO CHEMICAL CO·Filed 1975·Granted Feb 15, 1977·1 cites·2 claims
- 1139US4003887ANovel penicillins and their preparationSUMITOMO CHEMICAL CO·Filed 1975·Granted Jan 18, 1977·1 cites·13 claims
- 1231US4054568AThiazolo(5,4-f)quinoline-8-carboxylic acid derivativesSUMITOMO CHEMICAL CO·Filed 1976·Granted Oct 18, 1977·0 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →