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. Sankyo Organic Chemicals Co., Ltd. (2 from 5 patents)
2. Kao Soap Company, Ltd. (1 from 341 patents)
2 patents:
1. 4089911 - Process for improving the thermal stability of polyurethane-containing
2. 3962296 - Process for the preparation of stabilizers for synthetic resins