Vitamin b2 detection by mass spectrometry
US-2025102491-A1 · Mar 27, 2025 · US
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Chan Sum patents
Chan Sum is listed as an inventor on 36 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Chan Sum |
| Total patents | 36 |
| First publication | Mar 5, 2015 |
| Latest publication | Mar 27, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Detection of vitamins a and e by tandem mass spectrometry
US-2025067758-A1 · Feb 27, 2025 · US
Mass spectrometry method for measuring vitamin b6 in body fluid
US-2025054742-A1 · Feb 13, 2025 · US
Vitamin B2 detection by mass spectrometry
US-12196742-B2 · Jan 14, 2025 · US
Mass spectrometry method for measuring thiamine in body fluid
US-2025002971-A1 · Jan 2, 2025 · US
Detection of vitamins a and e by tandem mass spectrometry
US-12174203-B2 · Dec 24, 2024 · US
Mass spectrometry method for measuring vitamin B6 in body fluid
US-12165861-B2 · Dec 10, 2024 · US
Mass spectrometry method for measuring thiamine in body fluid
US-12116617-B2 · Oct 15, 2024 · US
Vitamin b2 detection by mass spectrometry
US-2024044864-A1 · Feb 8, 2024 · US
Mass spectrometry method for measuring vitamin b6 in body fluids
US-2023420235-A1 · Dec 28, 2023 · US
Recent patents
Latest publications not already listed above.
Vitamin B2 detection by mass spectrometry
US-11821889-B2 · Nov 21, 2023 · US
Mass spectrometry method for measuring vitamin B6 in body fluid
US-11798794-B2 · Oct 24, 2023 · US
Detection of vitamins a and e by tandem mass spectrometry
US-2023096666-A1 · Mar 30, 2023 · US
Detection of vitamins A and E by tandem mass spectrometry
US-11513130-B2 · Nov 29, 2022 · US
Vitamin b2 detection by mass spectrometry
US-2022229041-A1 · Jul 21, 2022 · US
Vitamin B2 detection by mass spectrometry
US-11300559-B2 · Apr 12, 2022 · US
Methods for detecting vitamin c by mass spectrometry
US-2021239718-A1 · Aug 5, 2021 · US
Detection of vitamins a and e by tandem mass spectrometry
US-2021096141-A1 · Apr 1, 2021 · US
Detection of vitamins A and E by tandem mass spectrometry
US-10859584-B2 · Dec 8, 2020 · US
Mass spectrometry method for measuring vitamin b6 in body fluid
US-2020381230-A1 · Dec 3, 2020 · US
Mass spectrometry method for measuring thiamine in body fluid
US-2020370091-A1 · Nov 26, 2020 · US
Mass spectrometry method for measuring thiamine in body fluid
US-10738344-B2 · Aug 11, 2020 · US
Vitamin b2 detection by mass spectrometry
US-2020182855-A1 · Jun 11, 2020 · US
Vitamin B2 detection by mass spectrometry
US-10571455-B2 · Feb 25, 2020 · US
Determination of analytes in liquid samples by mass spectrometry
US-2020003795-A1 · Jan 2, 2020 · US
Vitamin b2 detection by mass spectrometry
US-2019195855-A1 · Jun 27, 2019 · US
Detection of vitamins a and e by tandem mass spectrometry
US-2019170774-A1 · Jun 6, 2019 · US
Detection of vitamins A and E by tandem mass spectrometry
US-10215765-B2 · Feb 26, 2019 · US
Mass spectrometry method for measuring thiamine in body fluid
US-2018340209-A1 · Nov 29, 2018 · US
Methods for detecting vitamin c by mass spectrometry
US-2017242044-A1 · Aug 24, 2017 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Quest Diagnostics Invest Inc | 33 |
| Quest Diagnostics Invest Llc | 4 |
| Chan Sum | 2 |
| Jiang Qibo | 2 |
| Quest Diagnostics Invest Incoporated | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| G01N33/82 | 35 |
| H01J49/0031 | 22 |
| G01N30/72 | 17 |
| G01N33/487 | 15 |
| G01N30/7233 | 15 |