Average Co-Inventor Count = 6.46
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. Ebara Corporation (2 from 2,508 patents)
2. Shin Nippon Seitetsu Kabushiki Kaisha (1 from 1 patent)
2 patents:
1. 4294674 - Method of treating waste gas by irradiation
2. 4283937 - Method of detecting broken window foil of apparatus for treating waste