Average Co-Inventor Count = 3.43
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. Olympia Werke Ag (2 from 64 patents)
2 patents:
1. 4408302 - Word processor with display device
2. 4360806 - Display for word processor presenting margin zone markers