Average Co-Inventor Count = 1.00
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. Warner-lambert Company (1 from 2,538 patents)
2. Wilkinson Sword Gesellschaft MIT Beschrankter/haftung (1 from 30 patents)
2 patents:
1. 5481802 - Razor head, in particular a razor blade unit of a wet razor
2. 4978031 - Dispenser system for razor blade units