Average Co-Inventor Count = 10.47
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. The Green Cross Corporation (1 from 261 patents)
2. Japanese Research and Development Association for Improvement of Enzyme (1 from 1 patent)
2 patents:
1. 5254470 - Alkaline protease, alkaline protease gene, recombinant DNA, DNA fragment
2. 5171566 - Flurbiprofen derivative ophthalmic preparation