Average Co-Inventor Count = 3.04
ph-index = 45
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Walker Digital, LLC (43 from 532 patents)
2. Priceline.com Incorporated (14 from 55 patents)
3. Walker Asset Management Limited Partnership (12 from 44 patents)
4. Inventor Holdings, LLC (3 from 42 patents)
5. Other (2 from 831,952 patents)
6. Community United Ip, LLC (2 from 2 patents)
7. Counterpane Internet Security, Inc. (2 from 2 patents)
8. Liquid Audio, Inc. (1 from 16 patents)
9. The Brodia Group (1 from 3 patents)
10. Bt Counterpane Internet Security, Inc. (1 from 1 patent)
81 patents:
1. 8725060 - Method and apparatus for educational testing
2. 8712920 - Method and apparatus for a cryptographically assisted commercial network system designed to facilitate buyer-driven conditional purchase offers
3. 8700481 - Conditional purchase offer management system
4. 8632005 - Method and apparatus for promoting the selection and use of a transaction card
5. 8626667 - Method and apparatus for a cryptographically-assisted commercial network system designed to facilitate and support expert-based commerce
6. 8608558 - System and method for securing electronic games
7. 8549310 - Method and apparatus for secure measurement certification
8. 8355991 - Method and apparatus for executing cryptographically-enabled letters of credit
9. 8326765 - Method and apparatus for a cryptographically-assisted commercial network system designed to facilitate and support expert-based commerce
10. 8315948 - Method and device for generating a single-use financial account number
11. 8135650 - Method and apparatus for a cryptographically assisted commercial network system designed to facilitate buyer-driven conditional purchase offers
12. 8086653 - Conditional purchase offer management system
13. 8086167 - Method and apparatus for educational testing
14. 8082221 - Conditional purchase offer management system
15. 8082180 - Conditional purchase offer management system