Average Co-Inventor Count = 1.29
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 (3 from 90,872 patents)
3 patents:
1. 5970202 - Communication apparatus
2. D307439 - Printer
3. D305426 - Portable still video transmitter