Average Co-Inventor Count = 2.40
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. Toa Nenryo Kogyo Kabushiki Kaisha (1 from 220 patents)
2. Toa Nenryo Kogyo, K. K. (1 from 39 patents)
2 patents:
1. 4670202 - Method and apparatus for melt spinning
2. 4663096 - Apparatus and method of heating melt spinning head structure