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. Nissan Motor Company Limited (2 from 13,419 patents)
2 patents:
1. 4103653 - Method of and apparatus for controlling ignition timing of an internal
2. 4088450 - Hydrogen generator