Average Co-Inventor Count = 3.00
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. Tdk Corporation (2 from 7,954 patents)
2 patents:
1. 11508511 - Coil device
2. 11508518 - Coil device with predetermined gap arrangement