Average Co-Inventor Count = 2.00
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. 4621340 - Method for construction and display of ideographic characters
2. 4511267 - Method for changing the supply of characters in an ideographic