Average Co-Inventor Count = 3.43
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. Invacare Corporation (1 from 320 patents)
2. Hitach Medical Systems America, Inc. (1 from 1 patent)
2 patents:
1. 8567396 - Breathing gas supply system
2. 7725159 - Horizontal field MRI shoulder coil