Average Co-Inventor Count = 3.00
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. Nippon Polyurethane Industry Co., Ltd. (2 from 35 patents)
2 patents:
1. 5071939 - Method for preparing polyisocyanurate composite
2. 5071613 - Method for producing polyurethane type composite