Quartz Et Silice
6Patents
0Active
6Granted
29Portfolio score
Filing activity: Dec 15, 1981 → Jan 19, 1993
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5140604A | Mixed strontium and lanthanide oxides and a laser using monocrystals of these oxides | Electricity | 42 | Expired |
| US4441788A | Optical wave guide with fluorine-doped core | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5283439A | Very robust scintillator device and process of manufacturing it | Physics | 15 | Expired |
| US4560247A | Large bandwidth optical fibers | Physics | 11 | Expired |
| US4956134A | Method of and apparatus for controlling the filling of a mold with a pulverulent refractory material | Physics | 3 | Expired |
| US5180463A | Method for forming coated monocrystalline products | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.