Average Co-Inventor Count = 3.43
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. Other (2 from 832,680 patents)
2. Stella Chemifa Corporation (2 from 51 patents)
3. Hitachi, Ltd. (1 from 42,485 patents)
4. Jgc Corporation (1 from 161 patents)
4 patents:
1. 9641022 - Power supply apparatus, battery apparatus, and battery system
2. 8435916 - Catalyst comprising platinum black and fluorine
3. 8003561 - Fuel cell
4. 5037607 - Reactor