Average Co-Inventor Count = 2.67
ph-index = 2
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. Astra Aktiebolag (1 from 271 patents)
2. Aktiebolaget Hassle (1 from 69 patents)
2 patents:
1. 6136344 - Oral pharmaceutical dosage form
2. 4803081 - New pharmaceutical preparations with extended release