Average Co-Inventor Count = 3.83
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. Hitachi High-tech Corporation (3 from 1,134 patents)
3 patents:
1. 12228585 - Automatic analyzer
2. D1000634 - Adaptor for sample rack
3. D997383 - Sample cup