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. Leifheit Ag (2 from 87 patents)
2 patents:
1. 4762042 - Refillable dispenser for rolls of paper or foil
2. 4573387 - Kitchen utensil for cutting of food