Average Co-Inventor Count = 3.27
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. Ishida Co. Limited (3 from 448 patents)
3 patents:
1. 11977036 - Inspection device
2. 10352756 - Mass measurement device
3. 9140598 - Mass measurement device