Average Co-Inventor Count = 2.77
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. Fuji Photo Film Company, Limited (3 from 16,458 patents)
3 patents:
1. 4678312 - Rotatable head type electrophotographic apparatus, corona charging
2. 4479133 - Light beam rotary printer
3. 4193317 - Fine position control device