Average Co-Inventor Count = 1.67
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. Quest Diagnostics Investments, Inc. (5 from 479 patents)
5 patents:
1. 12282031 - Mass spectrometric determination of tert-butyldimethylsilyl derivatized methylmalonic acid
2. 12276644 - Detection and quantitation of guanidinoacetate, creatine, and creatinine by mass spectrometry
3. 11860141 - Detection and quantitation of guanidinoacetate, creatine, and creatinine by mass spectrometry
4. D922611 - Plate for a sampling apparatus
5. 10837972 - Mass spectrometric determination of derivatized methylmalonic acid