Average Co-Inventor Count = 5.00
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. Asahi Glass Company, Limited (1 from 2,560 patents)
2. The Circle for the Promotion of Science and Engineering (1 from 9 patents)
1 patent:
1. 7091143 - Glass funnel for cathode ray tube, and cathode ray tube