Average Co-Inventor Count = 4.00
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. Nippon Chemical Industrial Co., Ltd. (1 from 163 patents)
1 patent:
1. 7109286 - Phosphorus-containing hydroquinone derivatives, process for their production, phosphorus-containing epoxy resins made by using the derivatives, flame-retardant resin compositions, sealing media and laminated sheets