Optical Shields, Inc.
4Patents
0Active
4Granted
27Portfolio score
Filing activity: Dec 7, 1989 → May 23, 1995
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5074647A | Liquid crystal lens assembly for eye protection | Human Necessities | 82 | Expired |
| US5486940A | Liquid crystal light polarizer and method | Physics | 13 | Expired |
| US5128061A | Phenyl-pyrimidine liquid crystal materials | Chemistry; Metallurgy | 5 | Expired |
| US5159475A | High speed optical protection using smectic liquid crystal | Physics | 4 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.