Patent assignee · US · COMPANY

Sigmatron Nova, Inc.

4Patents
0Active
4Granted
27Portfolio score

Filing activity: Jul 12, 1982 → Aug 6, 1984

Most-cited patents

PatentTitleAreaCited byStatus
US4559535A System for displaying information with multiple shades of a color on a thin-film EL matrix display panel Physics 102 Expired
US4613793A Light emission enhancing dielectric layer for EL panel Electricity 37 Expired
US4602189A Light sink layer for a thin-film EL display panel Electricity 16 Expired
US4570151A Speedometer display of simulated analog needle and odometer on electroluminescent panel Physics 12 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.