Average Co-Inventor Count = 3.94
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 (6 from 2,606 patents)
2. Honda Motor Co., Ltd. (3 from 21,893 patents)
9 patents:
1. 11479261 - Abnormality detection device
2. 11203989 - Engine start control device
3. 10256495 - Fuel cell and fuel cell stack
4. 10224555 - Fuel cell
5. 9761888 - Fuel cell
6. 9406952 - Solid oxide fuel cell
7. 9347394 - Fuel injection control system
8. 8501365 - Solid electrolyte fuel cell stack
9. 8273493 - Solid electrolyte fuel cell stack