Average Co-Inventor Count = 5.00
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 90,809 patents)
3 patents:
1. 8517064 - Powder filling apparatus, powder filling method and process cartridge
2. 8205646 - Powder filling apparatus, powder filling method and process cartridge
3. 7836921 - Powder filling apparatus, powder filling method and process cartridge