Average Co-Inventor Count = 4.61
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)
3 patents:
1. 8900441 - Ionic probe
2. 8551311 - Ionic probe
3. 8398835 - Unitary ionic probe