Average Co-Inventor Count = 6.00
ph-index = 1
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. Mannesmann Aktiengesellschaft (1 from 1,150 patents)
2. Rich. Seifert & Co. Gmbh & Co. Kg (1 from 1 patent)
1 patent:
1. 4311905 - Film strip positioning for X-ray testing of pipes