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. Sumitomo Chemical Company, Limited (1 from 6,893 patents)
2. Sumika Fine Chemicals, Co.,ltd. (1 from 55 patents)
2 patents:
1. 7329318 - Methods of crystal precipitation
2. 6316628 - L-tartrate of trans-(-)-4-(4-fluorophenyl)-3-hydroxymethylpiperidine compound and process for preparing the same