Average Co-Inventor Count = 4.50
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 (2 from 893 patents)
2. Sagami Chemical Research Institute (1 from 22 patents)
2 patents:
1. 10005693 - Opaque quartz glass and method for its production
2. 9371452 - Film-forming material, group IV metal oxide film and vinylenediamide complex