Average Co-Inventor Count = 4.00
ph-index = 1
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. Sulzer-escher Wyss Ag (2 from 34 patents)
2. Ube Industries, Inc. (1 from 1,432 patents)
2 patents:
1. 4927494 - Apparatus for preparing high-concentration alkali
2. 4830707 - Method and apparatus for preparing high-concentration alkali