Average Co-Inventor Count = 3.60
ph-index = 3
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 (3 from 13,415 patents)
3 patents:
1. 3982981 - Unitary honeycomb structure and method of making it
2. 3941673 - Oxygen sensor devoid of catalytic oxidation activity
3. 3935089 - Oxygen sensor coated with catalytic material