Average Co-Inventor Count = 6.46
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. Sanraku-ocean Co., Ltd. (1 from 37 patents)
2. Sanraku Incorporated (1 from 21 patents)
2 patents:
1. 4592999 - Process for producing daunomycin
2. 4439603 - Anthracycline derivatives of .beta.-rhodomycinone glycosides