Average Co-Inventor Count = 4.44
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. Other (2 from 832,812 patents)
2 patents:
1. 5032370 - Method of preparing silicon nitride with a high alpha-phase content
2. 4431448 - Tungsten-free hard alloy and process for producing same