Noritaka Hamma
8Patents
5h-index
15Co-inventors
56Inventor score
Filing activity: Aug 23, 1971 → Apr 24, 1990
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3995059A | Pharmaceutical compositions containing fatty acid amide derivatives | Chemistry; Metallurgy | 18 | Expired |
| US4043991A | Preparation of peptides and cephalosporins | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4853378A | Fluorine derivatives of vitamin D.sub.3 and process for producing the same | Emerging Cross-Sectional Technologies | 9 | Expired |
| US3970694A | Cycloalkyl phenoxy carboxylic acid derivatives | Chemistry; Metallurgy | 7 | Expired |
| US4008265A | Novel bisphenoxy carboxylic acid derivatives and their salts | Chemistry; Metallurgy | 5 | Expired |
| US5030626A | Fluorine derivatives of vitamin D.sub.3 and process for producing the same | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4082913A | Phenoxyalicyclic carboxylic acid derivatives | Chemistry; Metallurgy | 2 | Expired |
| US4092324A | Diheterocyclic esters of 4-(1,1-bis-(phenoxy-propionic or -butoyric acid)-cyclohexane).alpha.-methyl substituted | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.