Average Co-Inventor Count = 3.71
ph-index = 1
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. Imperial Chemical Industries Limited (3 from 3,840 patents)
3 patents:
1. 5917530 - Dye diffusion thermal transfer printing
2. 5864356 - Laser dye thermal transfer printing
3. 5670447 - 35mm format transparencies