Average Co-Inventor Count = 2.67
ph-index = 3
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. Quest Diagnostics Investments, Inc. (15 from 479 patents)
2. Quest Diagnostics Investment Incoporated (1 from 1 patent)
16 patents:
1. 12174203 - Detection of vitamins a and e by tandem mass spectrometry
2. 12165861 - Mass spectrometry method for measuring vitamin B6 in body fluid
3. 12116617 - Mass spectrometry method for measuring thiamine in body fluid
4. 11798794 - Mass spectrometry method for measuring vitamin B6 in body fluid
5. 11513130 - Detection of vitamins A and E by tandem mass spectrometry
6. 10859584 - Detection of vitamins A and E by tandem mass spectrometry
7. 10738344 - Mass spectrometry method for measuring thiamine in body fluid
8. 10215765 - Detection of vitamins A and E by tandem mass spectrometry
9. 9645158 - Methods for detecting vitamin C by mass spectrometry
10. 9234901 - Mass spectrometry method for measuring vitamin B6 in body fluids
11. 9063119 - Methods for detecting vitamin C by mass spectrometry
12. 8759754 - Methods for detecting vitamin C by mass spectrometry
13. 8569689 - Methods for detecting vitamin C by mass spectrometry
14. 8338778 - Methods for detecting vitamin C by mass spectrometry
15. 8017403 - Mass spectrometry method for measuring vitamin B6 in body fluid