Average Co-Inventor Count = 2.25
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. Sharp Kabushiki Kaisha Corporation (3 from 25,537 patents)
3 patents:
1. D428891 - Combined scanner and printer for an electronic computer
2. D406161 - Copier
3. D405065 - Scanner