Average Co-Inventor Count = 4.00
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. Toray Industries, Inc. (2 from 3,476 patents)
2 patents:
1. 4701472 - Expandable polyvinyl chloride resin composition and foamed sheet
2. 4663362 - Expandable polyvinyl chloride resin composition and foamed sheet