Average Co-Inventor Count = 1.85
ph-index = 5
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. (12 from 37 patents)
12 patents:
1. 8712898 - Computer-implemented method of constructing a stock index using index rotation
2. 8682774 - Computer-implemented method of constructing a stock index using multi-dimensional delineation between value and growth
3. 8626636 - Method for implementing an investment company that issues a class of conventional shares and a class of exchange-traded shares in the same fund
4. 8417623 - System and method for implementing an investment company that issues a class of conventional shares and a class of exchange-traded shares in the same fund
5. 8335734 - Method of administering an investment company having a class of crossing shares
6. 8239306 - Computer-implemented method of constructing a stock index
7. 8090646 - Investment company that issues a class of conventional shares and a class of exchange-traded shares in the same fund
8. 7925573 - Computer program product for implementing investment company that issues a class of conventional shares and a class of exchange-traded shares in the same fund
9. 7720749 - Purchase and selling of exchange-traded shares in an investment company that issues a class of conventional shares and a class of exchange-traded shares in the same fund
10. 7558751 - Method of constructing a stock index
11. 7337138 - Investment company that issues a class of conventional shares and a class of exchange-traded shares in the same fund
12. 6879964 - Investment company that issues a class of conventional shares and a class of exchange-traded shares in the same fund