Average Co-Inventor Count = 2.22
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. Ngk Insulators, Inc. (5 from 4,916 patents)
5 patents:
1. 8610355 - Reactor structure and plasma treatment apparatus
2. 8545765 - Plasma treating apparatus
3. 7998608 - Lithium secondary battery
4. 7473456 - Honeycomb structure
5. 6359424 - Switching circuit for generating pulsed power