Average Co-Inventor Count = 5.00
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. 4362203 - Process for preparing foundry cores or molds and binder materials used
2. 4283319 - Process for preparing foundry cores or molds and binder materials used