D Data Inc.
11Patents
2Active
11Granted
31Portfolio score
Filing activity: Aug 26, 1998 → Dec 13, 2005 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6992965B1 | Reading method and apparatus for a three-dimensional information carrier | Physics | 13 | Expired |
| US6835431B1 | Fluorescent composition for the manufacture of CD-ROM type optical memory disks | Emerging Cross-Sectional Technologies | 12 | Expired |
| US7082093B1 | Optical data storage system having combined fluorescent three-dimensional information carrier | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6819649B1 | Electroluminescent multilayer optical information storage medium with integrated readout and compositions of matter for use therein | Emerging Cross-Sectional Technologies | 3 | Expired |
| US7116628B2 | Electroluminescent multilayer optical information storage medium with integrated readout and composition of matter for use therein | Emerging Cross-Sectional Technologies | 2 | Expired |
| US7094517B1 | Recording layer with organic dye-in-polymer (DIP) medium for write-once-read-many (WORM) optical discs with fluorescent reading | Emerging Cross-Sectional Technologies | 2 | Expired |
| US7406027B2 | Optical data storage system having combined fluorescent three-dimensional information carrier | Emerging Cross-Sectional Technologies | 2 | Active |
| US7226637B2 | Manufacturing method for multilayer fluorescent information carriers | Physics | 1 | Expired |
| US7101655B1 | Method for increasing fluorescent signal of optical disks with fluorescent reading and resultant discs | Emerging Cross-Sectional Technologies | 1 | Expired |
| US7406021B2 | Electroluminescent multilayer optical information storage medium with integrated readout and composition of matter for use therein | Emerging Cross-Sectional Technologies | 1 | Active |
| US6960426B2 | Silver halide material for optical memory devices with luminescent reading and methods for the treatment thereof | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.