Average Co-Inventor Count = 5.71
ph-index = 3
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. (4 from 37 patents)
4 patents:
1. 4439603 - Anthracycline derivatives of .beta.-rhodomycinone glycosides
2. 4424342 - Anthracycline antibiotic compounds
3. 4373094 - Anthracycline derivatives
4. 4316011 - Rhodomycin antibiotics