Average Co-Inventor Count = 5.00
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. Toray Industries, Inc. (3 from 3,472 patents)
3 patents:
1. 6323212 - Morphinan derivative and its pharmaceutical applications
2. 6277859 - Morphinan derivative and its pharmaceutical applications
3. 6177438 - Morphinan derivatives and pharmaceutical use thereof