David R. Safford
47Patents
17h-index
73Co-inventors
84Inventor score
Filing activity: Jul 29, 1996 → Apr 3, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5937066A | Two-phase cryptographic key recovery system | Electricity | 325 | Expired |
| US5907618A | Method and apparatus for verifiably providing key recovery information in a cryptographic system | Electricity | 151 | Expired |
| US6058188A | Method and apparatus for interoperable validation of key recovery information in a cryptographic system | Electricity | 114 | Expired |
| US5796830A | Interoperable cryptographic key recovery system | Electricity | 96 | Expired |
| US6052469A | Interoperable cryptographic key recovery system with verification by comparison | Electricity | 90 | Expired |
| US6311270A | Method and apparatus for securing communication utilizing a security processor | Electricity | 60 | Expired |
| US6243470A | Method and apparatus for advanced symmetric key block cipher with variable length key and block | Electricity | 44 | Expired |
| US6185679A | Method and apparatus for a symmetric block cipher using multiple stages with type-1 and type-3 feistel networks | Electricity | 42 | Expired |
| US6535607B1 | Method and apparatus for providing interoperability between key recovery and non-key recovery systems | Electricity | 35 | Expired |
| US6192129A | Method and apparatus for advanced byte-oriented symmetric key block cipher with variable length key and block | Electricity | 34 | Expired |
| US6185304A | Method and apparatus for a symmetric block cipher using multiple stages | Electricity | 32 | Expired |
| US7281125B2 | Securing sensitive configuration data remotely | Physics | 32 | Expired |
| US8301863B2 | Recursive logical partition real memory map | Physics | 24 | Active |
| US7450005B2 | System and method of dynamically weighted analysis for intrusion decision-making | Physics | 23 | Active |
| US8850557B2 | Processor and data processing method with non-hierarchical computer security enhancements for context states | Physics | 23 | Active |
| US6189095A | Symmetric block cipher using multiple stages with modified type-1 and type-3 feistel networks | Electricity | 22 | Expired |
| US7752667B2 | Rapid virus scan using file signature created during file write | Physics | 17 | Active |
| US8135937B2 | Logical partition memory | Physics | 17 | Active |
| US7343493B2 | Encrypted file system using TCPA | Physics | 16 | Expired |
| US7315950B1 | Method of securely sharing information over public networks using untrusted service providers and tightly controlling client accessibility | Electricity | 15 | Expired |
| US10489597B2 | Blockchain verification of network security service | Electricity | 15 | Active |
| US7893830B2 | System and method of dynamically weighted analysis for intrusion decision-making | Physics | 12 | Active |
| US7380268B2 | Methods apparatus and program products for wireless access points | Electricity | 11 | Expired |
| US10397230B2 | Service processor and system with secure booting and monitoring of service processor integrity | Electricity | 11 | Active |
| US7805765B2 | Execution validation using header containing validation data | Physics | 7 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.