Average Co-Inventor Count = 2.67
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. F. Zimmermann Gmbh & Co. Kg (2 from 10 patents)
2. Wall Aktiengesellschaft (1 from 6 patents)
3. F. Zimmermano Gmbh & Co. Kg (1 from 1 patent)
4 patents:
1. D479659 - Show case
2. D436710 - Voucher terminal
3. D430718 - Voucher terminal
4. D409815 - Automated cash system cassomat A.C.S.