Average Co-Inventor Count = 3.83
ph-index = 3
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 (3 from 90,934 patents)
3 patents:
1. 7092935 - Customizable filter interface
2. 6910627 - Smart card systems and electronic ticketing methods
3. 6804786 - User customizable secure access token and multiple level portable interface