Average Co-Inventor Count = 3.00
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. Seikagaku Corporation (2 from 191 patents)
2 patents:
1. D1076069 - Cover for medical powder spreading device
2. D1070073 - Medical powder spreading device