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. Mitsubishi Heavy Industries Limited (2 from 4,618 patents)
2 patents:
1. 6168721 - Process for the treatment of arsenic-containing sludge
2. 6076369 - Evaporative concentration apparatus for waste water