Average Co-Inventor Count = 2.40
ph-index = 2
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. Mitsubishi Paper Mills Limited (4 from 622 patents)
4 patents:
1. 5407892 - Carbonless copying paper
2. 5288687 - Carbonless copying paper
3. 5068067 - Emulsifier for microcapsules, microcapsules using said emulsifier and
4. 4935172 - Method for producing microcapsules