Average Co-Inventor Count = 3.00
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. The Vanguard Group, Inc. (2 from 37 patents)
2 patents:
1. 8175944 - Method of recording and paying declared dividends in an investment company that invests in fixed income securities and has conventional and ETF share classes with different dividend payment frequencies
2. 7792725 - Investment company that invests in fixed income securities and has conventional and ETF share classes with different dividend payment frequencies