Average Co-Inventor Count = 5.83
ph-index = 6
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-technologies Corporation (6 from 2,874 patents)
6 patents:
1. D693938 - Liquid chromatograph analyzer
2. D692157 - Auto sampler for liquid chromatograph analyzer
3. D692156 - Auto sampler for liquid chromatograph analyzer
4. D692155 - Column oven for liquid chromatograph analyzer
5. D692158 - Pump for liquid chromatograph analyzer
6. D691280 - Pump for liquid chromatograph analyzer