Volker Koppenhagen
2Patents
1h-index
6Co-inventors
30Inventor score
Filing activity: Mar 4, 1980 → Sep 14, 1981
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4407947A | Process for obtaining metal-free corrinoids | Chemistry; Metallurgy | 1 | Expired |
| US4311643A | Process for producing metal corrinoids | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.