Average Co-Inventor Count = 3.00
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. International Business Machines Corporation (2 from 164,108 patents)
2 patents:
1. 5897309 - Sequential step belt furnace with individual concentric cooling elements
2. 5421723 - Sequential step belt furnace with individual concentric cooling elements