Average Co-Inventor Count = 3.43
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 (4 from 90,884 patents)
4 patents:
1. 6836638 - Cleaning device and image forming apparatus provided with same
2. 6801747 - Cleaning apparatus and image forming apparatus
3. 6694122 - Cleaning device and image forming apparatus provided with same
4. 6636719 - Image forming apparatus with vibration-caused image defect prevention feature