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. Ngk Insulators, Inc. (1 from 4,918 patents)
2. Ngk Kiln Tech, Corporation (1 from 2 patents)
1 patent:
1. 12422192 - Heat treatment furnace