Average Co-Inventor Count = 4.10
ph-index = 2
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. Ricoh Company, Ltd. (4 from 28,544 patents)
4 patents:
1. 9357098 - System and methods for use of voice mail and email in a mixed media environment
2. 9081987 - Document image authenticating server
3. 8996483 - Method and apparatus for recording associations with logs
4. 7812986 - System and methods for use of voice mail and email in a mixed media environment