Average Co-Inventor Count = 5.09
ph-index = 4
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 90,697 patents)
4 patents:
1. 6108500 - Image forming apparatus
2. 6085058 - Image forming apparatus having transfer rotary member with surface
3. 5850245 - Page printer
4. 5732314 - Image forming apparatus comprising image bearing member, intermediate