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. Hitachi High-tech Corporation (2 from 1,116 patents)
2. Hitachi-high-technologies Corporation (1 from 2,874 patents)
3 patents:
1. 11971346 - Biological sample detection device
2. 11906346 - Liquid level detection device that irradiates a container at multiple angles
3. 9347096 - Genetic analyzer