Average Co-Inventor Count = 1.29
ph-index = 3
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. Union Carbide Corporation (3 from 2,921 patents)
3 patents:
1. 4277988 - Method of manufacturing a contoured stamping die
2. 4227396 - Contoured stamping die
3. 4133227 - Direct machining method of manufacture of isostress contoured dies