Average Co-Inventor Count = 3.00
ph-index = 1
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. Rolls-royce Corporation (1 from 5,871 patents)
2. Rolls-royce North American Technologies Inc. (1 from 917 patents)
1 patent:
1. 12500461 - Rotor with magnet retention band for use with electric machines