Average Co-Inventor Count = 6.87
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. Kyowa Hakko Kogyo Co., Ltd. (1 from 730 patents)
2. Kyowa Hakko Kirin Co., Limited (1 from 272 patents)
2 patents:
1. 7708999 - Remedies for arthritis
2. 5891902 - Indole derivatives