Average Co-Inventor Count = 3.71
ph-index = 3
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. Showa Denko Kabushiki Kaisha (3 from 405 patents)
2. Toyo Cloth Co., Ltd. (1 from 7 patents)
3 patents:
1. 4552930 - Visbroken propylene-ethylene random copolymers, process and films
2. 3956212 - Ethylene resin composition
3. 3936403 - Synthetic resin composition