Average Co-Inventor Count = 4.00
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. Caterpillar Inc. (1 from 9,463 patents)
2. Exxonmobil Research and Engineering Company (1 from 1,780 patents)
1 patent:
1. 7131402 - Method for controlling exhaust emissions from direct injection homogeneous charge compression ignition engines