Average Co-Inventor Count = 1.33
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. Stannah Stairlifts Limited (6 from 30 patents)
6 patents:
1. 11261060 - Stairlifts
2. 10836607 - Stairlifts
3. 9758348 - Stairlifts
4. D648093 - Stairlift chair
5. D647683 - Stairlift chair
6. 7600611 - Stairlifts