Average Co-Inventor Count = 4.28
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. Hach Company (3 from 223 patents)
2. Other (1 from 832,912 patents)
4 patents:
1. 10302552 - Apparatus, composition and method for determination of chemical oxidation demand
2. 9739742 - Carbon nanotube sensor
3. 9476866 - COD/TOC analyses using ferrate oxidation
4. 8920619 - Carbon nanotube sensor