Average Co-Inventor Count = 2.00
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. Ensign-bickford Optics Company (2 from 5 patents)
2. Ensign-bickford Industries, Inc. (1 from 7 patents)
3 patents:
1. 5455087 - Coating composition for glass containers
2. 5112658 - Coating compositions for glass containers
3. 4707076 - Coating compositions for optical fibers