Average Co-Inventor Count = 3.00
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. Samsung Fine Chemicals Co., Ltd. (2 from 62 patents)
2 patents:
1. 7026471 - Purification method of hydroxypropylmethyl cellulose phthalate
2. 6893493 - Preparation method of solvent-free water-dispersible hydroxypropyl methyl cellulose phthalate nanoparticle