Average Co-Inventor Count = 7.00
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. Mitsubishi Rayon Company, Limited (2 from 1,357 patents)
2 patents:
1. 4984859 - Optical fiber ribbon end-structure
2. 4929169 - Working equipment for roughening the side of optical fiber