RR

Richard E. Reitz

QI Quest Diagnostics Investments: 88 patents #2 of 229Top 1%
📍 Las Vegas, NV: #25 of 3,439 inventorsTop 1%
🗺 Nevada: #60 of 8,397 inventorsTop 1%
Overall (All Time): #18,683 of 4,157,543Top 1%
88
Patents All Time

Issued Patents All Time

Showing 1–25 of 88 patents

Patent #TitleCo-InventorsDate
12287346 Methods for detecting vitamin D metabolites by mass spectrometry Nigel J. Clarke, Brett Holmquist, Gloria Kwang-Ja Lee 2025-04-29
12282032 Vitamin D metabolite determination utilizing mass spectrometry following derivatization Brett Holmquist, Nigel J. Clarke 2025-04-22
12181484 Quantitation of insulin-like growth factor-I and insulin-like growth factor-II with high-resolution mass spectrometry Cory Bystrom, Shijun Sheng, Nigel J. Clarke 2024-12-31
12165861 Mass spectrometry method for measuring vitamin B6 in body fluid Qibo Jiang, Sum Chan 2024-12-10
12140597 Thyroglobulin quantitation by mass spectrometry Yanni Zhang, Nigel J. Clarke 2024-11-12
12116617 Mass spectrometry method for measuring thiamine in body fluid Sum Chan, Qibo Jiang 2024-10-15
12066446 Methods for detecting dihydroxyvitamin D metabolites by mass spectrometry Brett Holmquist, Nigel J. Clarke, Anne Caston 2024-08-20
12055554 Lipoprotein analysis by differential charged-particle mobility Michael P. Caulfield, Shuguang Li, Gloria Kwangja Lee, Ronald M. Krauss, Patricia J. Blanche +2 more 2024-08-06
11953507 Quantitation of insulin-like growth factor-I and insulin-like growth factor-II with high-resolution mass spectrometry Cory Bystrom, Shijun Sheng, Nigel J. Clarke 2024-04-09
11921122 Methods for detecting vitamin D metabolites by mass spectrometry Nigel J. Clarke, Brett Holmquist, Gloria Kwang-Ja Lee 2024-03-05
11885820 Vitamin D metabolite determination utilizing mass spectrometry following derivatization Brett Holmquist, Nigel J. Clarke 2024-01-30
11798794 Mass spectrometry method for measuring vitamin B6 in body fluid Qibo Jiang, Sum Chan 2023-10-24
11680949 Lipoprotein analysis by differential charged-particle mobility Michael P. Caulfield, Shuguang Li, Gloria Kwangja Lee, Ronald M. Krauss, Patricia J. Blanche +2 more 2023-06-20
11650216 Methods for detecting dihydroxyvitamin D metabolites by mass spectrometry Brett Holmquist, Nigel J. Clarke, Anne Caston 2023-05-16
11579154 Methods for detecting vitamin D metabolites by mass spectrometry Nigel J. Clarke, Brett Holmquist, Gloria Kwang-Ja Lee 2023-02-14
11543415 Thyroglobulin quantitation by mass spectrometry Yanni Zhang, Nigel J. Clarke 2023-01-03
11486874 Methods for quantitation of insulin levels by mass spectrometry Steven W. Taylor, Michael J. McPhaul, Zhaohui Chen, Nigel J. Clarke 2022-11-01
11454637 Quantitation of insulin-like growth factor-I and insulin-like growth factor-II with high-resolution mass spectrometry Cory Bystrom, Shijun Sheng, Nigel J. Clarke 2022-09-27
11280798 Methods for detecting estrone by mass spectrometry Mildred M. Goldman 2022-03-22
11105821 Vitamin D metabolite determination utilizing mass spectrometry following derivatization Brett Holmquist, Nigel J. Clarke 2021-08-31
10948503 Lipoprotein analysis by differential charged-particle mobility Michael P. Caulfield, Shuguang Li, Gloria Kwangja Lee, Ronald M. Krauss, Patricia J. Blanche +2 more 2021-03-16
10935558 Methods for detecting vitamin D metabolites by mass spectrometry Nigel J. Clarke, Brett Holmquist, Gloria Kwang-Ja Lee 2021-03-02
10738344 Mass spectrometry method for measuring thiamine in body fluid Sum Chan, Qibo Jiang 2020-08-11
10718779 Thyroglobulin quantitation by mass spectroscopy Yanni Zhang, Nigel J. Clarke 2020-07-21
10712348 Kisspeptin-54 detection by tandem mass spectrometry Cory Bystrom 2020-07-14