Average Co-Inventor Count = 3.00
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. Sony Corporation (2 from 58,132 patents)
2. Denki Kagaku Kogyo Kabushiki Kaisha (2 from 475 patents)
2 patents:
1. 5268350 - Binder resin for a heat transfer layer and heat transfer ink ribbon
2. 5238996 - Binder resin for a heat transfer layer and heat transfer ink ribbon