Calimetrics, Inc.
15Patents
0Active
15Granted
30Portfolio score
Filing activity: Jan 5, 1996 → Nov 22, 2002
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6148428A | Method and apparatus for modulation encoding data for storage on a multi-level optical recording medium | Electricity | 87 | Expired |
| US5818806A | Method and apparatus for providing equalization for the reading of marks on optical data storage media | Physics | 51 | Expired |
| US6396789B1 | Data storage system and methods using diffractive near-field optics | Physics | 49 | Expired |
| US6150964A | M=10 (2,10), D=3.75 runlength limited code for multi-level data | Electricity | 46 | Expired |
| US5854779A | Optical disc reader for reading multiple levels of pits on an optical disc | Physics | 38 | Expired |
| US6115348A | Information storage systems utilizing media with optically-differentiated data sites | Emerging Cross-Sectional Technologies | 34 | Expired |
| US6604219B1 | DC control of a multilevel signal | Physics | 23 | Expired |
| US6377529B1 | Method for providing improved equalization for the reading of marks on optical data-storage media | Electricity | 17 | Expired |
| US6385255B1 | Coding system and method for partial response channels | Electricity | 16 | Expired |
| US6657936B2 | Programmable write signal generator | Physics | 15 | Expired |
| US6608807B1 | Generating a multilevel calibration sequence for precompensation | Physics | 13 | Expired |
| US6657933B2 | Method and apparatus for reading and writing a multilevel signal from an optical disc | Physics | 4 | Expired |
| US6504807B2 | Programmable write signal generator | Physics | 2 | Expired |
| US6381724B1 | Method and apparatus for modulation encoding data for storage on a multi-level optical recording medium | Electricity | 1 | Expired |
| US6665245B1 | Optical disk initialization method and apparatus | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.