Average Co-Inventor Count = 2.00
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 Corporation (3 from 847 patents)
3 patents:
1. D317458 - Electronic calculator with solar cell
2. D309152 - Electronic calculator with printer
3. D299812 - Electronic thermometer