Average Co-Inventor Count = 1.60
ph-index = 4
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. U.S. Philips Corporation (4 from 14,087 patents)
4 patents:
1. D353021 - Dry shaver
2. D344157 - Dry shaver
3. D306360 - Dry shaver
4. D306361 - Dry shaver