Average Co-Inventor Count = 3.60
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 Spark Plug Company, Limited (2 from 2,606 patents)
2. Morimura Sofc Technology Co., Ltd. (1 from 23 patents)
3 patents:
1. 10693174 - Fuel cell stack and method of producing the same
2. 9728797 - Fuel cell and fuel cell stack
3. 7712349 - Gas sensor