Average Co-Inventor Count = 5.00
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. Outokumpu Oyj (2 from 177 patents)
2 patents:
1. 6284136 - Apparatus for cleaning a filter surface
2. 6217782 - Combined ultrasonic cleaning and washing of filter disks