Average Co-Inventor Count = 4.00
ph-index = 1
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 90,594 patents)
3 patents:
1. 7447835 - Determining the accessibility of a portable storage device using format and access right information
2. 7213119 - Inhibiting access to a portable storage device
3. 6856422 - Image processing apparatus, image processing method and memory medium