Average Co-Inventor Count = 1.33
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. Kurita Machinery Manufacturing Company Limited (2 from 24 patents)
2 patents:
1. 4668385 - Filter press
2. 4553558 - Cleaning device for a filter press