Average Co-Inventor Count = 3.43
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. 5581909 - Heat treatment apparatus for yarn
2. 5558825 - Method and apparatus for producing polyester fiber