Optics for Research
6Patents
0Active
6Granted
27Portfolio score
Filing activity: Mar 9, 1990 → Mar 11, 1999
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5638472A | Optical fiber and lens assembly having a movable lens and a fixed optical fiber | Physics | 61 | Expired |
| US5212586A | Optical circulator having a simplified construction | Physics | 38 | Expired |
| US5087984A | Optical isolators employing oppositely signed faraday rotating materials | Physics | 19 | Expired |
| US5111330A | Optical isolators employing wavelength tuning | Physics | 9 | Expired |
| US5790299A | Optical isolator employing a cadmium-zinc-tellurium composition | Physics | 6 | Expired |
| US6061190A | Devices for holding optical components at fixed positions | Physics | 5 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.