Richard L. Spagna
11Patents
11h-index
18Co-inventors
61Inventor score
Filing activity: Dec 13, 1996 → Oct 21, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6611812B2 | Secure electronic content distribution on CDS and DVDs | Electricity | 633 | Expired |
| US6587837B1 | Method for delivering electronic content from an online store | Electricity | 623 | Expired |
| US6983371B1 | Super-distribution of protected digital content | Electricity | 250 | Expired |
| US6859791B1 | Method for determining internet users geographic region | Electricity | 164 | Expired |
| US6021427A | Method and system for preventing routing maelstrom loops of automatically routed electronic mail | Electricity | 124 | Expired |
| US7110984B1 | Updating usage conditions in lieu of download digital rights management protected content | Electricity | 112 | Expired |
| US7228437B2 | Method and system for securing local database file of local content stored on end-user system | Electricity | 87 | Expired |
| US7487128B2 | Updating usage conditions in lieu of download digital rights management protected content | Electricity | 40 | Expired |
| US7590866B2 | Super-distribution of protected digital content | Electricity | 25 | Expired |
| US6742177B1 | Method and system for secure debugging of a secure software module | Physics | 19 | Expired |
| US6151623A | Agent activity report via object embedding | Physics | 15 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.