Norbert Opitz
10Patents
8h-index
3Co-inventors
61Inventor score
Filing activity: Feb 26, 1976 → Sep 26, 1988
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4003707A | Method and arrangement for measuring the concentration of gases | Emerging Cross-Sectional Technologies | 124 | Expired |
| US4597392A | Arrangement for measuring diffusing particles | Physics | 62 | Expired |
| US4643877A | Fluorometer | Physics | 31 | Expired |
| US4889690A | Sensor for measuring physical parameters of concentration of particles | Physics | 28 | Expired |
| USRE31879E | Method and arrangement for measuring the concentration of gases | General | 23 | Expired |
| US4255053A | Photometer including auxiliary indicator means | Physics | 16 | Expired |
| US5057431A | Device for optical measuring of physical dimensions and material concentrations | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5059396A | Arrangement for optical measuring of concentration of substances | Physics | 8 | Expired |
| US4511660A | Process and arrangement for measuring ion strength | Physics | 7 | Expired |
| US4701697A | Arrangement for measuring potential differences | Physics | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.