Average Co-Inventor Count = 2.40
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. Sony Chemicals Corporation (2 from 186 patents)
2 patents:
1. 6783820 - Thermal transfer recording media
2. 6696119 - Thermal ink-transfer recording material