Average Co-Inventor Count = 4.00
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. Ebara Corporation (2 from 2,508 patents)
2 patents:
1. 6077424 - Method for aerobically treating wastewater and a treatment tank for such
2. 6015490 - Carrier-separating and water-collecting mechanism of wastewater