Average Co-Inventor Count = 4.44
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. Komatsu Corporation (2 from 2,732 patents)
2 patents:
1. 6868329 - Control method of EGR system of engine
2. 5842459 - Method of controlling fuel injection apparatus for internal combustion