Average Co-Inventor Count = 3.43
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. Sanyo Chemical Industries, Ltd. (2 from 353 patents)
2. Kurita Water Industries Ltd. (1 from 310 patents)
2 patents:
1. 4209398 - Water treating process
2. 3950258 - Aqueous lubricants