Average Co-Inventor Count = 5.52
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. Wakunaga Seiyaku Kabushiki Kaisha (3 from 45 patents)
3 patents:
1. 5654322 - Biphenylmethane derivatives and pharmaceuticals containing the same
2. 5260444 - Dihydropyridine derivative
3. 5208245 - Dihydropyridine derivative