Average Co-Inventor Count = 2.67
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. Olin Corporation (1 from 1,963 patents)
2. Engelhard Corporation (1 from 623 patents)
2 patents:
1. 5783506 - Ceramic glaze including pearlescent pigment
2. 4805009 - Hermetically sealed semiconductor package