Jeffrey Bruce Lotspiech
93Patents
22h-index
60Co-inventors
91Inventor score
Filing activity: Jul 17, 1979 → Aug 10, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6226618A | Electronic content delivery system | Electricity | 1,726 | Expired |
| US6611812B2 | Secure electronic content distribution on CDS and DVDs | Electricity | 633 | Expired |
| US6398245B1 | Key management system for digital content player | Electricity | 292 | Expired |
| US6118873A | System for encrypting broadcast programs in the presence of compromised receiver devices | Electricity | 188 | Expired |
| US5946473A | LFSR implementation using split-table lookup | Physics | 99 | Expired |
| US6748539B1 | System and method for securely checking in and checking out digitized content | Physics | 94 | Expired |
| US6832319B1 | Content guard system for copy protection of recordable media | Electricity | 90 | Expired |
| US4271476A | Method and apparatus for rotating the scan format of digital images | Physics | 82 | Expired |
| US6038316A | Method and system for protection of digital information | Electricity | 68 | Expired |
| US5913030A | Method and system for client/server communications with user information revealed as a function of willingness to reveal and whether the information is required | Physics | 65 | Expired |
| US4377803A | Algorithm for the segmentation of printed fixed pitch documents | Physics | 58 | Expired |
| US6345289B1 | Intermediate system transmitting relevant selections based on permutation function applied consumer/information signature vectors for privacy | Physics | 55 | Expired |
| US7516331B2 | Tamper-resistant trusted java virtual machine and method of using the same | Physics | 51 | Expired |
| US7630497B2 | System and method for assigning sequence keys to a media player to enable hybrid traitor tracing | Electricity | 39 | Active |
| US7039803B2 | Method for broadcast encryption and key revocation of stateless receivers | Electricity | 37 | Expired |
| US4745560A | Method of controlling a bit-image printer | Physics | 33 | Expired |
| US6609116B1 | System and method for securely updating copy-protected media | Electricity | 32 | Expired |
| US7010125B2 | Method for tracing traitor receivers in a broadcast encryption system | Electricity | 25 | Expired |
| US6912634B2 | Verifying the integrity of a media key block by storing validation data in a validation area of media | Physics | 24 | Expired |
| US7356147B2 | Method, system and program product for attaching a title key to encrypted content for synchronized transmission to a recipient | Electricity | 24 | Expired |
| US6738878B2 | Verifying the integrity of a media key block by storing validation data in the cutting area of media | Physics | 22 | Expired |
| US5978482A | Method and system for protection of digital information | Electricity | 22 | Expired |
| US7747877B2 | Tamper-resistant trusted Java virtual machine and method of using the same | Physics | 22 | Active |
| US7971070B2 | Read/write media key block | Electricity | 21 | Active |
| US7249264B2 | Secure IP based streaming in a format independent manner | Electricity | 21 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.