Average Co-Inventor Count = 5.00
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. Sumitomo Naugatuck Co., Ltd. (1 from 39 patents)
2. Sumitomo Dow Limited (1 from 13 patents)
2 patents:
1. 5290855 - Thermoplastic resin composition
2. 4705827 - Resin composition comprising unsaturated dicarboxylic acid anhydride