Average Co-Inventor Count = 4.00
ph-index = 2
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. Hoya Corporation (3 from 2,530 patents)
3 patents:
1. 7730744 - Process for producing glass and glass-melting apparatus thereof
2. 7191619 - Process for producing glass and glass-melting apparatus thereof
3. 7010940 - Process for producing glass and glass-melting apparatus thereof