Average Co-Inventor Count = 3.43
ph-index = 1
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. Sumitomo Bakelite Company Limited (1 from 612 patents)
2. Mallinckrodt Medical, Inc. (1 from 181 patents)
2 patents:
1. 6692474 - Recovery instrument
2. 5743258 - Pharyngeal airway