Average Co-Inventor Count = 2.86
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. Arakawa Chemical Industries, Ltd. (2 from 63 patents)
2. Toyo Kasei Kogyo Company Limited (1 from 29 patents)
2 patents:
1. 7019077 - Resin composition for primer
2. 4822526 - Process for preparing liquid rosin ester with anthraquinone and alkali