Inventor · disambiguated record
Hisao Tobiki
Also filed as: IZAWA AKIO · TOBIKI HISAO
15 granted patents·191 citations·filing 1973–1983
93Inventor score
Files withSUMITOMO CHEMICAL CO15
Top patents by PatentIndex Score
15 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
- 0389US3945995AD-α-(4-hydroxypyridine-3-carbonamido)-p-hydroxyphenylacetamidopenicillanic acidSUMITOMO CHEMICAL CO·Filed 1974·Granted Mar 23, 1976·20 cites·1 claims
- 0488US4005075APenicillins and their preparationSUMITOMO CHEMICAL CO·Filed 1975·Granted Jan 25, 1977·17 cites·4 claims
- 0586US4156724AN-acylamino-alpha-arylacetamido cephalosporins and antibacterial compositions and methods containing themSUMITOMO CHEMICAL CO·Filed 1975·Granted May 29, 1979·17 cites·20 claims
- 0683US4160087AN-acylamino-α-arylacetamido cephalosporinsSUMITOMO CHEMICAL CO·Filed 1977·Granted Jul 3, 1979·13 cites·1 claims
- 0778US4008220APenicillinsSUMITOMO CHEMICAL CO·Filed 1974·Granted Feb 15, 1977·9 cites·20 claims
- 0876US3951955APenicillins substituted with heterocyclic groupsSUMITOMO CHEMICAL CO·Filed 1974·Granted Apr 20, 1976·11 cites·15 claims
- 0974US4117126A7-(α-(4-Hydroxy-1,5-naphthyridine-3-carbonamido)-α-phenylacetamido) cephalosporin derivativesSUMITOMO CHEMICAL CO·Filed 1977·Granted Sep 26, 1978·7 cites·3 claims
- 1073US4061748A7-(α-(4-Hydroxy-1,5-naphthyridine-3-carbonamido)-α-phenylacetamido) cephalosporin derivativesSUMITOMO CHEMICAL CO·Filed 1976·Granted Dec 6, 1977·7 cites·6 claims
- 1157US5002775ATablets having clear impressed marks and method for making sameSUMITOMO CHEMICAL CO·Filed 1983·Granted Mar 26, 1991·20 cites·10 claims
- 1243US4046904ANovel penicillin, and its preparation and useSUMITOMO CHEMICAL CO·Filed 1976·Granted Sep 6, 1977·1 cites·3 claims
- 1339US4003887ANovel penicillins and their preparationSUMITOMO CHEMICAL CO·Filed 1975·Granted Jan 18, 1977·1 cites·13 claims
- 1438US4390535AAntimicrobial 7-(α-acylamino-α-arylacetamido)-3-(substituted methyl)cephalosporin compoundsSUMITOMO CHEMICAL CO·Filed 1981·Granted Jun 28, 1983·1 cites·3 claims
- 1538US4244870ADimethyl sulfoxide adducts of penicillinsSUMITOMO CHEMICAL CO·Filed 1979·Granted Jan 13, 1981·1 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →