Average Co-Inventor Count = 5.00
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. Japan As Represented by Ministry of International Trade and Industry, (1 from 1 patent)
2. Basic Industries Bureau of Ministry of International Trade and Industry (1 from 1 patent)
2 patents:
1. 5284983 - Process for purifying aqueous crude ethanol solution
2. 5185481 - Method for the separation of impurities from crude ethanol aqueous