Average Co-Inventor Count = 5.00
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. Kabushiki Kaisha Ueno Seiyaku Oyo Kenkyujo (2 from 73 patents)
2 patents:
1. 6194608 - Process for separating and purifying alkali metal salts of hydroxynaphthalenecarboxylic acids
2. 5770766 - Method for separating and purifying hydroxynaphtalenecarboxylic acids