Average Co-Inventor Count = 2.00
ph-index = 2
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. D317454 - Refrigerator
2. D312834 - Copying machine
3. D311417 - Copying machine