Average Co-Inventor Count = 1.50
ph-index = 3
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. Spembly Medical Limited (3 from 6 patents)
3 patents:
1. 5992158 - Cryosurgical instrument
2. 5860970 - Cryosurgical instrument
3. 5224943 - Cryosurgical apparatus