Average Co-Inventor Count = 1.50
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. Kureha Kagaku Kogyo Kabushiki Kaisha (1 from 776 patents)
2. Wakunaga Yakuhin Kabushiki Kaisha (1 from 3 patents)
2 patents:
1. 4212826 - Process for producing cysteamines and/or cystamines
2. 4208216 - Grouting materials for consolidation of soils