Average Co-Inventor Count = 2.67
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. (2 from 3,192 patents)
2 patents:
1. 5928989 - Thermal transfer film for protective layer and print
2. 5710096 - Thermal transfer image-receiving sheet