Average Co-Inventor Count = 4.00
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. Dai Nippon Printing Co., Ltd. (1 from 3,199 patents)
1 patent:
1. 8440589 - Azomethine compound and thermal transfer sheet using coloring matter of the azomethine compound