John Princen
33Patents
14h-index
28Co-inventors
81Inventor score
Filing activity: Nov 22, 1995 → Jun 1, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6166748A | Interface for a high performance low cost video game system with coprocessor providing high speed efficient 3D graphics and digital audio signal processing | Human Necessities | 186 | Expired |
| US6331856A | Video game system with coprocessor providing high speed efficient 3D graphics and digital audio signal processing | Human Necessities | 176 | Expired |
| US6239810A | High performance low cost video game system with coprocessor providing high speed efficient 3D graphics and digital audio signal processing | Human Necessities | 167 | Expired |
| US6342892B1 | Video game system and coprocessor for video game system | Human Necessities | 161 | Expired |
| US6636830B1 | System and method for noise reduction using bi-orthogonal modified discrete cosine transform | Physics | 77 | Expired |
| US5732189A | Audio signal coding with a signal adaptive filterbank | Electricity | 75 | Expired |
| US6556197B1 | High performance low cost video game system with coprocessor providing high speed efficient 3D graphics and digital audio signal processing | Human Necessities | 55 | Expired |
| US7380275B2 | Secure and backward-compatible processor and secure software execution thereon | Physics | 50 | Expired |
| US7322042B2 | Secure and backward-compatible processor and secure software execution thereon | Physics | 49 | Expired |
| US6593929B2 | High performance low cost video game system with coprocessor providing high speed efficient 3D graphics and digital audio signal processing | Human Necessities | 40 | Expired |
| US7194514B1 | Stripping email attachment from an email message and adding into the email message a link to fetch the attachment | Electricity | 35 | Expired |
| US7464058B2 | System and method for generating new licenses | Physics | 30 | Expired |
| US8131649B2 | Static-or-dynamic and limited-or-unlimited content rights | Physics | 29 | Active |
| US7779482B1 | Delivery of license information using a short messaging system protocol in a closed content distribution system | Electricity | 18 | Expired |
| US7613915B2 | Method for programming on-chip non-volatile memory in a secure processor, and a device so programmed | Electricity | 7 | Active |
| US8433889B2 | Operating system context switching | Emerging Cross-Sectional Technologies | 5 | Active |
| US7624276B2 | Secure device authentication system and method | Electricity | 5 | Active |
| US8856513B2 | Programming on-chip non-volatile memory in a secure processor using a sequence number | Electricity | 5 | Active |
| US8200961B2 | Securing a flash memory block in a secure device system and method | Physics | 5 | Active |
| US8601247B2 | Programming non-volatile memory in a secure processor | Electricity | 4 | Active |
| US7991999B2 | Block-based media content authentication | Electricity | 4 | Active |
| US9398436B2 | Cloud service for making social connections | Electricity | 3 | Active |
| US8621188B2 | Certificate verification | Electricity | 2 | Active |
| US9589154B2 | Programming on-chip non-volatile memory in a secure processor using a sequence number | Electricity | 1 | Active |
| US9881182B2 | Programming on-chip non-volatile memory in a secure processor using a sequence number | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.