Average Co-Inventor Count = 7.00
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. Tosoh Corporation (1 from 893 patents)
2. Tosoh Quartz Corporation (1 from 5 patents)
3. Tosoh Smg Corporation (1 from 1 patent)
1 patent:
1. 7064094 - Highly durable silica glass, process and apparatus for producing same, and member and apparatus provided with same