Ernest S. Hamanaka
34Patents
11h-index
24Co-inventors
75Inventor score
Filing activity: Dec 14, 1973 → Oct 30, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5656634A | N-aryl and N-heteroarylamide and urea derivatives as inhibitors of acyl coenzyme A: cholesterol acyl transferase (ACAT) | Chemistry; Metallurgy | 69 | Expired |
| US6001860A | N-aryl and N-heteroarylurea derivatives as inhibitors of acyl coenzyme A: Cholesterol acyl transferase (ACAT) | Chemistry; Metallurgy | 52 | Expired |
| US5362878A | Intermediates for making N-aryl and N-heteroarylamide and urea derivatives as inhibitors of acyl coenzyme A: cholesterol acyl transferase (ACAT) | Chemistry; Metallurgy | 49 | Expired |
| US4619924A | 2-alkylthiopenem derivatives | Chemistry; Metallurgy | 45 | Expired |
| US5596001A | 4-aryl-3-(heteroarylureido)quinoline derivatves | Chemistry; Metallurgy | 35 | Expired |
| US6589947B1 | Use of corticotropin releasing factor antagonists and related compositions | Human Necessities | 21 | Expired |
| US7368573B2 | Triamide-substituted heterobicyclic compounds | Chemistry; Metallurgy | 21 | Active |
| US5565472A | 4-aryl-3-(heteroarylureido)-1,2-dihydro-2-oxo-quinoline derivatives as antihypercholesterolemic and antiatherosclerotic agents | Chemistry; Metallurgy | 21 | Expired |
| US6777404B2 | Use of corticotropin releasing factor antagonists and related compositions | Human Necessities | 13 | Expired |
| US3933797A | 6-[.alpha.-(.omega.-QUANIDINOALKANOYLAMIDO)ACYLAMIDO]PENICILLANIC ACIDS | Chemistry; Metallurgy | 12 | Expired |
| US5965553A | Squalene synthetase inhibitors | Chemistry; Metallurgy | 11 | Expired |
| US6262092A | Mutual salt of amlodipine and atorvastatin | Chemistry; Metallurgy | 9 | Expired |
| US6492401B1 | N-[(substituted five-membered di- or triaza diunsaturated ring)carbonyl] guanidine derivatives for the treatment of ischemia | Chemistry; Metallurgy | 6 | Expired |
| US3972872A | 6-[.alpha.-(.omega.-Guanidinoalkanoylamido)acylamido]penicillanic acids | Chemistry; Metallurgy | 6 | Expired |
| US7262318B2 | Substituted heteroaryl- and phenylsulfamoyl compounds | Chemistry; Metallurgy | 6 | Expired |
| US4614737A | 2-dioxacycloalkylthiopenem derivatives | Chemistry; Metallurgy | 6 | Expired |
| US4397783A | Process for converting 6,6-disubstituted penicillanic acid derivatives to the 6-.beta.-congeners | Emerging Cross-Sectional Technologies | 5 | Expired |
| US3951952A | Broad spectrum antibiotics | Chemistry; Metallurgy | 4 | Expired |
| US5770594A | Naphthyl-benzoxazepines or -benzothiazepines as squalene synthetase inhibitors | Chemistry; Metallurgy | 4 | Expired |
| US4521533A | Salts of 6-alpha-(aminomethyl)penicillanic acid 1,1-dioxide esters and beta-lactam antibiotics | Chemistry; Metallurgy | 3 | Expired |
| US4595539A | Preparation of penem derivatives and azetidinone intermediates | Chemistry; Metallurgy | 3 | Expired |
| US4025506A | Broad spectrum antibiotics | Chemistry; Metallurgy | 3 | Expired |
| US4359472A | Bis-hydroxymethyl carbonate bridged antibacterial agents | Chemistry; Metallurgy | 3 | Expired |
| US6974813B2 | N-[(substituted five-membered di-or triaza diunsaturated ring) carbonyl] guanidine derivatives for the treatment of ischemia | Chemistry; Metallurgy | 3 | Expired |
| US6486182B1 | Mutual prodrugs of amlodipine and atorvastatin | Chemistry; Metallurgy | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.