Average Co-Inventor Count = 3.46
ph-index = 3
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 (3 from 164,173 patents)
3 patents:
1. 5317729 - Method for the storage of multi-versioned data with retrieval based on
2. 5311424 - Method and system for product configuration definition and tracking
3. 5191534 - Engineering and manufacturing change control mechanism