Average Co-Inventor Count = 5.46
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. Brooks Automation Gmbh (1 from 478 patents)
2. Intermagnetics General Corporation-polycold Systems, Inc. (1 from 1 patent)
2 patents:
1. 7111467 - Ultra-low temperature closed-loop recirculating gas chilling system
2. 6481223 - Refrigerant blend free of R-22 for use in ultralow temperature refrigeration