Average Co-Inventor Count = 11.00
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. Sanyo Electric Co., Ltd. (2 from 8,782 patents)
2 patents:
1. 5366820 - Fuel cell system
2. 5229222 - Fuel cell system