Average Co-Inventor Count = 7.00
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. Hitachi Chemical Company, Ltd. (2 from 1,641 patents)
2 patents:
1. 4448844 - Heat resistant resin and process for producing the same
2. 4431758 - Heat resistant resin composition comprising reaction product of