Average Co-Inventor Count = 1.60
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. Canon Kabushiki Kaisha (4 from 90,753 patents)
4 patents:
1. 6191807 - Communication apparatus and method for performing a file transfer operation
2. 5448285 - Multi-media communication apparatus
3. 5414457 - Multi-media communication apparatus
4. 5305097 - Communicating apparatus having a calling party number display device