Average Co-Inventor Count = 1.89
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. (3 from 26 patents)
2. Wilkhahn Wilkening & Hahne Gmbh & Co. Kg (3 from 5 patents)
6 patents:
1. 9713380 - Chair
2. 9700138 - Seating furniture product
3. 9504330 - Chair
4. 8025335 - Chair
5. 7770973 - Chair
6. 7637570 - Chair