Average Co-Inventor Count = 1.33
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. Nidec Sankyo Corporation (2 from 729 patents)
2 patents:
1. 11941474 - Card reader
2. 10902225 - Card reader