Average Co-Inventor Count = 5.00
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. Siemens Energy & Automation, Inc. (1 from 567 patents)
2. Adb-Alnaco, Inc. (1 from 9 patents)
2 patents:
1. 5969642 - Airfield lighting system
2. 5485151 - Airfield lighting system