Average Co-Inventor Count = 3.00
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 (2 from 847 patents)
2. Sharp Kabushiki Kaisha Corporation (1 from 25,537 patents)
3 patents:
1. D309624 - Electronic calculator
2. D307595 - Electronic calculator
3. D303680 - Electronic calculator