Average Co-Inventor Count = 4.00
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. Caterpillar Inc. (2 from 9,463 patents)
2. Exxonmobil Research and Engineering Company (2 from 1,780 patents)
2 patents:
1. 7487663 - Method for selecting fuel to both optimize the operating range and minimize the exhaust emissions of HCCI engines
2. 7131402 - Method for controlling exhaust emissions from direct injection homogeneous charge compression ignition engines