Optical Specialties, Inc.
🏢 View company profile →4Patents
0Active
4Granted
27Portfolio score
Filing activity: Aug 2, 1991 → May 29, 1997
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5428442A | Inspection system with in-lens, off-axis illuminator | Physics | 45 | Expired |
| US5854674A | Method of high speed, high detection sensitivity inspection of repetitive and random specimen patterns | Physics | 34 | Expired |
| US5214492A | Apparatus for producing an accurately aligned aperture of selectable diameter | Physics | 20 | Expired |
| US5308036A | Kinematic isolation stand connector | Emerging Cross-Sectional Technologies | 9 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.