Average Co-Inventor Count = 3.27
ph-index = 3
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 Electronics Company, Limited (2 from 333 patents)
2. Tdk Corporation (1 from 7,952 patents)
3 patents:
1. 4731286 - Radio-wave absorptive gasket
2. 4146854 - High frequency attenuator using ferrite beads
3. 4118704 - Electromagnetic wave-absorbing wall