Average Co-Inventor Count = 4.00
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. International Business Machines Corporation (7 from 164,108 patents)
7 patents:
1. 7742938 - System and method for evaluating maintenance costs of products
2. 7546273 - System and method for evaluating residual values of products
3. 7487107 - Method, system, and computer program for determining ranges of potential purchasing amounts, indexed according to latest cycle and recency frequency, by combining re-purchasing ratios and purchasing amounts
4. 7280974 - Method and system for selecting potential purchasers using purchase history
5. 7181423 - System and method for stock options market management
6. 6134555 - Dimension reduction using association rules for data mining application
7. 6032146 - Dimension reduction for data mining application