Average Co-Inventor Count = 1.00
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. Chronar Corp. (1 from 27 patents)
2. Ashley-butler, Inc. (1 from 3 patents)
2 patents:
1. 4568409 - Precision marking of layers
2. 4064872 - Temperature measuring device of a liquid crystal laminate