Akio Izawa
12Patents
6h-index
17Co-inventors
52Inventor score
Filing activity: Dec 13, 1973 → Sep 26, 1977
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3954733A | Naphthyridine-3-carboxamido-benzylpenicillins and salts thereof | Chemistry; Metallurgy | 20 | Expired |
| US3992371A | Penicillins substituted with heterocyclic and substituted phenyl groups | Chemistry; Metallurgy | 18 | Expired |
| US4156724A | N-acylamino-alpha-arylacetamido cephalosporins and antibacterial compositions and methods containing them | Chemistry; Metallurgy | 14 | Expired |
| US4160087A | N-acylamino-.alpha.-arylacetamido cephalosporins | Chemistry; Metallurgy | 9 | Expired |
| US4008220A | Penicillins | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4061748A | 7-(.alpha.-(4 -Hydroxy-1,5-naphthyridine-3-carbonamido)-.alpha.-phenylacetamido) cephalosporin derivatives | Chemistry; Metallurgy | 7 | Expired |
| US4117126A | 7-(.alpha.-(4-Hydroxy-1,5-naphthyridine-3-carbonamido)-.alpha.-ph enylacetamido) cephalosporin derivatives | Chemistry; Metallurgy | 6 | Expired |
| US3954775A | Thiazolo(5,4-f)quinoline-8-carboxylic acid derivatives | Chemistry; Metallurgy | 2 | Expired |
| US4046904A | Novel penicillin, and its preparation and use | Chemistry; Metallurgy | 1 | Expired |
| US4008237A | 2,3,5,8-Tetrahydro-5-alkoxy-8-oxofuro(2,3-g)quinoline-7-carboxylic acid derivatives | Chemistry; Metallurgy | 1 | Expired |
| US4003887A | Novel penicillins and their preparation | Chemistry; Metallurgy | 1 | Expired |
| US4054568A | Thiazolo(5,4-f)quinoline-8-carboxylic acid derivatives | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.