Average Co-Inventor Count = 1.76
ph-index = 5
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. Wilkhahn Wilkening + Hahne Gmbh + Co. (4 from 26 patents)
2. Wilkhahn Wilkening & Hahne Gmbh & Co. Kg (1 from 5 patents)
5 patents:
1. 9713380 - Chair
2. 7770973 - Chair
3. D609482 - Seating furniture
4. D482205 - Chair
5. D456163 - Chair