Average Co-Inventor Count = 4.20
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. Toyo Cloth Co., Ltd. (2 from 7 patents)
2. Showa Denko Kabushiki Kaisha (1 from 405 patents)
2 patents:
1. 4174414 - Production of synthetic suede leather
2. 3936403 - Synthetic resin composition