Average Co-Inventor Count = 3.33
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. Hitachi, Ltd. (3 from 42,535 patents)
3 patents:
1. 8479048 - Root cause analysis method, apparatus, and program for IT apparatuses from which event information is not obtained
2. 8020045 - Root cause analysis method, apparatus, and program for IT apparatuses from which event information is not obtained
3. 5592603 - Method of and apparatus for customizing user interface