Christopher J. Cookson
70Patents
23h-index
41Co-inventors
88Inventor score
Filing activity: Oct 29, 1993 → Aug 10, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5469370A | System and method for controlling play of multiple audio tracks of a software carrier | Emerging Cross-Sectional Technologies | 272 | Expired |
| US5463565A | Data block format for software carrier and player therefor | Electricity | 170 | Expired |
| US5450489A | System and method for authenticating software carriers | Electricity | 162 | Expired |
| US7436780B2 | Method and apparatus for approximating location of node attached to a network | Electricity | 149 | Expired |
| US5896454A | System and method for controlling copying and playing of digital programs | Electricity | 128 | Expired |
| US5623424A | Rate-controlled digital video editing method and system which controls bit allocation of a video encoder by varying quantization levels | Electricity | 125 | Expired |
| US5598276A | System and method for controlling play of multiple versions of the same motion picture stored on an optical disk | Electricity | 121 | Expired |
| US5400077A | System for generating multiple aspect ratio video signals from motion picture disk recorded in a single aspect ratio | Electricity | 119 | Expired |
| US5684714A | Method and system for a user to manually alter the quality of a previously encoded video sequence | Electricity | 105 | Expired |
| US6591365B1 | Copy protection control system | Physics | 103 | Expired |
| US5819004A | Method and system for a user to manually alter the quality of previously encoded video frames | Electricity | 88 | Expired |
| US6219043A | Method and system to replace sections of an encoded video bitstream | Physics | 78 | Expired |
| US7190880B2 | Player and disc system for producing video signals in different formats | Electricity | 73 | Expired |
| US5576843A | System and method for controlling play of multiple dialog audio tracks of a software carrier | Electricity | 72 | Expired |
| US5497241A | System and method for controlling display of motion picture subtitles in a selected language during play of a software carrier | Physics | 71 | Expired |
| US5488410A | System and method for disk software publishers to control disk distribution | Electricity | 64 | Expired |
| US6026232A | Method and system to replace sections of an encoded video bitstream | Physics | 62 | Expired |
| US5574567A | System and method for controlling play of multiple versions of the same motion picture stored on an optical disk | Electricity | 60 | Expired |
| US5712950A | System and method for controlling play of multiple dialog audio tracks of a software carrier | Electricity | 57 | Expired |
| US6160787A | Multiple layer optical recording medium for use with two different wavelength laser beams | Physics | 39 | Expired |
| US5671320A | System and method for controlling play of multiple dialog audio tracks of a software carrier | Electricity | 37 | Expired |
| US5644507A | Method for interleaving data for seamless playback of multiple program versions having common material | Electricity | 34 | Expired |
| US5838874A | Audiovisual encoding system with a reduced number of audio encoders | Electricity | 23 | Expired |
| US7167209B2 | Methods for encoding data in an analog video signal such that it survives resolution conversion | Electricity | 20 | Expired |
| US7376183B2 | Post-production processing | Physics | 20 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.