Average Co-Inventor Count = 3.00
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. Tdk Corporation (1 from 7,977 patents)
2. Tdk Electronics Company, Limited (1 from 333 patents)
2 patents:
1. 4668925 - Dielectric resonator and method for making
2. 4484251 - Current restriction element responsive to applied voltage