Optical Data Corporation
9Patents
0Active
9Granted
28Portfolio score
Filing activity: Mar 4, 1986 → Oct 15, 1991
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5120230A | Interactive method for the effective conveyance of information in the form of visual images | Physics | 135 | Expired |
| US4719615A | Erasable optical data storage medium | Physics | 124 | Expired |
| US5173051A | Curriculum planning and publishing method | Physics | 57 | Expired |
| US4852075A | Erasable optical data storage medium and method and apparatus for recording data on the medium | Physics | 34 | Expired |
| US4825430A | Erasable optical data storage medium having an embedded servo track and a subsurface recording interface | Physics | 26 | Expired |
| US4780867A | Method for erasably recording data by viscoelastic shear deformation | Physics | 25 | Expired |
| US4896314A | Bump-forming media including thin intermediate reflective layer and methods for writing, reading, and erasing same | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4912696A | Erasable optical data storage medium and method and apparatus for recording data on the medium | Physics | 19 | Expired |
| US4901304A | Erasable optical data storage medium having a zoned integral recording layer | Emerging Cross-Sectional Technologies | 8 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.