Average Co-Inventor Count = 4.55
ph-index = 4
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. Symantec Corporation (2 from 3,063 patents)
2. Sap Ag (1 from 3,607 patents)
3. Zaplet, Inc. (1 from 10 patents)
4. Brightmail, Incorporated (1 from 1 patent)
5 patents:
1. 7945909 - Initiating recovery of an executing task using historical information and task information
2. 7882193 - Apparatus and method for weighted and aging spam filtering rules
3. RE41940 - Method and apparatus for filtering E-mail
4. 7130885 - Methods and apparatus providing electronic messages that are linked and aggregated
5. 6654787 - Method and apparatus for filtering e-mail