Average Co-Inventor Count = 10.00
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. Canon Kabushiki Kaisha (1 from 90,809 patents)
2. Cannon Kabushiki Kaisha (1 from 31 patents)
2 patents:
1. 4868581 - Ink-receiving composite polymer material
2. 4642247 - Recording medium