Average Co-Inventor Count = 2.67
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. Sony Chemicals Corporation (4 from 186 patents)
4 patents:
1. 6447867 - Epoxy resin composition and optical information recording medium using the same
2. 6288148 - Acrylic emulsions containing tackifiers, processes for preparing them, and adhesive tape containing acrylic emulsions containing tackifiers
3. 612133 - Cationically polymerizable epoxy resins and optical information
4. 6121339 - Cationically polymerizable epoxy resins and optical information