Average Co-Inventor Count = 1.80
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. Diafoil Hoechst Company, Limited (2 from 38 patents)
2. Diafoil Hoescht Company, Limited (1 from 3 patents)
3 patents:
1. 5397674 - Radiation sensitized paper
2. 5324583 - Thermal transfer sheet
3. 5262224 - Printed laminate