Average Co-Inventor Count = 9.11
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. Other (3 from 832,912 patents)
2. Tobishi Yakuhin Kogyo Kabushiki Kaisha (3 from 5 patents)
4 patents:
1. 5245034 - Compound having vessel smooth muscle relaxation activity
2. 5245050 - Derivatives of physiologically active substance ML-236B and process for
3. 5216150 - Derivatives of isoquinoline (and naphthalene) sulfonamides
4. 5081246 - Compound having vessel smooth muscle relaxation activity