Average Co-Inventor Count = 6.87
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. Other (1 from 832,718 patents)
2. Cosmo Oil Co., Ltd. (1 from 163 patents)
3. Cosmo Research Institute (1 from 42 patents)
2 patents:
1. 6355671 - SULFONATED DERIVATIVES OF CYCLIC PHENOL SULFIDES, PROCESS FOR THE PREPARATION THEREOF, SEPARATING AND RECOVERING AGENTS CONTAINING CYCLIC PHENOL SULFIDES, METHODS FOR SEPARATION AND RECOVERY THEREWITH, AND DRUG COMPOSITIONS CONTAINING THE SULFIDES
2. 5881358 - Composition for extracting transition metal and method for extracting