Average Co-Inventor Count = 3.75
ph-index = 2
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 (2 from 6,896 patents)
2 patents:
1. 5002775 - Tablets having clear impressed marks and method for making same
2. 4277488 - Water-soluble biotin-containing preparation