Average Co-Inventor Count = 2.77
ph-index = 3
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. Htiachi Chemical Company, Ltd. (1 from 1 patent)
3 patents:
1. 6632881 - Encapsulant of epoxy resin and liquid aromatic amine curing agent
2. 5985954 - Epoxy resin composition for sealing photo-semiconductor element and
3. 5641840 - Epoxy resin composition for sealing photosemiconductor element and