Average Co-Inventor Count = 4.29
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. Schering Corporation (4 from 1,829 patents)
4 patents:
1. 5829434 - Inhaler for powdered medications
2. 5740792 - Inhaler for powdered medications with gear-teeth counter assembly
3. D350193 - Combined inhaler and cover
4. D348928 - Inhaler