Average Co-Inventor Count = 2.19
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. Canon Kabushiki Kaisha (3 from 90,809 patents)
3 patents:
1. 4295889 - Recording liquid composition
2. 4139278 - Liquid crystal display device
3. 4137192 - Liquid crystalline composition