Average Co-Inventor Count = 3.33
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. Boehringer Ingelheim Gmbh (4 from 306 patents)
4 patents:
1. 4100288 - N-Tetrahydrofurfuryl-noroxymorphones, their salts, and analgesic
2. 4016279 - Spray compositions for inhalation therapy of bronchial disorders
3. 3998960 - Pharmaceutical compositions containing a
4. 3931194 - 2-Heteroaryl-methyl)-5,9.beta.-dialkyl-6,7-benzomorphans and salts