David Czajkowski
5Patents
3h-index
9Co-inventors
39Inventor score
Filing activity: Apr 8, 1991 → Dec 13, 1993
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5258377A | 2-spirocyclopropyl 4-acylcephems | Human Necessities | 9 | Expired |
| US5446037A | 2-[(substituted) methylene]cephalosporin sulfones as antiinflammatory, antidegenerative and antithrombin agents | Chemistry; Metallurgy | 8 | Expired |
| US5264429A | 2-spirocyclopropyl cephalosporin sulfone derivatives | Chemistry; Metallurgy | 8 | Expired |
| US5264430A | 2-spirocyclopropyl cephalosporin sulfone derivatives | Human Necessities | 1 | Expired |
| US5439904A | 2-spiro(2'-spirocycloalkyl)cyclopropyl cephalosporin sulfones as antiinflammatory and antigenerative agents | Human Necessities | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.