Average Co-Inventor Count = 1.20
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. Schering Corporation (1 from 1,829 patents)
2. Key Pharmaceuticals, Inc. (1 from 54 patents)
3. Dynatech Corporation (1 from 17 patents)
3 patents:
1. 4818541 - Transdermal delivery of enantiomers of phenylpropanolamine
2. 4722948 - Bone replacement and repair putty material from unsaturated polyester
3. 4722726 - Method and apparatus for iontophoretic drug delivery