Average Co-Inventor Count = 4.56
ph-index = 3
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. Tonen Corporation (3 from 141 patents)
3 patents:
1. 5905130 - Process for the production of polysilazane
2. 5459114 - Method for producing ceramic products
3. 5436398 - Polymetalosilazane, process of producing same, silicon nitride based