Average Co-Inventor Count = 5.09
ph-index = 1
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. Nippon Sheet Glass Company, Limited (2 from 1,156 patents)
2. Kawasaki Steel Corporation, Technical Research Division (1 from 1 patent)
2 patents:
1. 5104633 - Method for producing high-purity metallic silicon and apparatus therefor
2. 4919521 - Electromagnetic device