Average Co-Inventor Count = 2.00
ph-index = 4
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. (7 from 37 patents)
7 patents:
1. 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
2. 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
3. 8090646 - Investment company that issues a class of conventional shares and a class of exchange-traded shares in the same fund
4. 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
5. 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
6. 7337138 - Investment company that issues a class of conventional shares and a class of exchange-traded shares in the same fund
7. 6879964 - Investment company that issues a class of conventional shares and a class of exchange-traded shares in the same fund