Average Co-Inventor Count = 4.00
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. Other (1 from 832,680 patents)
2. Sony Corporation/sony Electronic Inc. (1 from 1 patent)
2 patents:
1. 7493636 - Method and apparatus for providing electronic coupons
2. 6282713 - Method and apparatus for providing on-demand electronic advertising