Average Co-Inventor Count = 1.41
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 25,543 patents)
4 patents:
1. D256697 - Electronic calculating machine
2. D250430 - Electronic calculating machine
3. D248995 - Electronic calculating machine
4. D246351 - Digital clock