Average Co-Inventor Count = 2.00
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 9,500 patents)
2 patents:
1. 5672972 - Diagnostic system for a capacitor discharge ignition system
2. 5337717 - Timing control for an engine having a capacitor discharge ignition system