Average Co-Inventor Count = 2.40
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. Pilkington Plc (2 from 107 patents)
2. Flachglas Aktiengesellschaft (1 from 52 patents)
2 patents:
1. 5656560 - Bronze-tinted or grey-tinted soda lime silicate glass
2. 5017521 - Borosilicate glass compositions incorporating cerium oxide