Average Co-Inventor Count = 1.85
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 (4 from 25,577 patents)
4 patents:
1. D810818 - Copier
2. D658710 - Cash register
3. D360428 - Printer
4. D350769 - Automatic document feeder for copier