Average Co-Inventor Count = 1.63
ph-index = 4
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 (4 from 271 patents)
4 patents:
1. 6286507 - Single dose inhaler I
2. 6105574 - Single dose inhaler II
3. 6102035 - Inhaler
4. 5918594 - Inhaler with deagglomerating device