Average Co-Inventor Count = 2.40
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. Ckd Corporation (3 from 317 patents)
3 patents:
1. 12076856 - Arm-type assistance device
2. 11248738 - Arm-type support device
3. D883298 - Supporting device