Average Co-Inventor Count = 10.00
ph-index = 1
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. Zhejiang University (1 from 1,110 patents)
2. Zhejiang Nhu Company Ltd. (1 from 29 patents)
3. Shandong Nhu Amino Acid Co., Ltd. (1 from 4 patents)
4. Shandong Nhu Fine Chemical Science and Technology Company Ltd. (1 from 2 patents)
1 patent:
1. 11180440 - Method for preparing isophorone diamine by means of hydrogenation reduction of isophorone nitrile imine