Average Co-Inventor Count = 2.40
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. U.S. Philips Corporation (4 from 14,087 patents)
4 patents:
1. 5459927 - Shaving apparatus with adjustable foil-type upper cutter
2. 5071423 - Epilation apparatus
3. 4813136 - Dry shaver
4. 4536956 - Reciprocatingly drivable cutter for a dry-shaving apparatus