Average Co-Inventor Count = 3.00
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. Teijin Limited (2 from 1,586 patents)
2 patents:
1. 5069944 - Thermal transfer record sheet
2. 4937224 - Thermal transfer record sheet