Average Co-Inventor Count = 4.00
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. Tsumura Co., Ltd. (3 from 60 patents)
2. Tsumura Juntendo, Inc. (1 from 5 patents)
4 patents:
1. 5264594 - Biphenyl derivative and preparation and use thereof
2. 4996331 - Novel biphenyl derivative and preparation and use thereof
3. 4925872 - Biphenyl derivative useful as a liver ailment moderating agent
4. 4849448 - Novel biphenyl derivative and preparation and use thereof