Average Co-Inventor Count = 2.94
ph-index = 5
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. Minnesota Mining and Manufacturing Company (3 from 7,865 patents)
2. Astra Aktiebolag (1 from 271 patents)
3. Riker Laboratories Inc. (1 from 193 patents)
5 patents:
1. 6012454 - Dry powder inhalation device
2. 5655523 - Dry powder inhalation device having deagglomeration/aerosolization
3. 5482032 - Dry powder inhalers
4. 5347998 - Breath actuated inhaler having an electromechanical priming mechanism
5. 5069204 - Inhaler