San Clemente, California
United States
37
2026-05-21
The entities that hold a legal rights for patent applications filed by inventor Chan Sum:
Sum Chan from San Clemente, US has applied for patents for these inventions. The list has both pending applications and granted patents:
DETECTION OF VITAMINS A AND E BY TANDEM MASS SPECTROMETRY
#2 | 2026-05-14DETECTION OF VITAMINS A AND E BY TANDEM MASS SPECTROMETRY
#3 | 2025-03-27VITAMIN B2 DETECTION BY MASS SPECTROMETRY
#4 | 2025-02-27DETECTION OF VITAMINS A AND E BY TANDEM MASS SPECTROMETRY
#5 | 2025-02-13MASS SPECTROMETRY METHOD FOR MEASURING VITAMIN B6 IN BODY FLUID
#6 | 2025-01-02MASS SPECTROMETRY METHOD FOR MEASURING THIAMINE IN BODY FLUID
#7 | 2024-02-08Vitamin B2 detection by mass spectrometry
#8 | 2023-12-28Mass spectrometry method for measuring vitamin B6 in body fluid
#9 | 2023-03-30Detection of vitamins a and e by tandem mass spectrometry
#10 | 2022-07-21Vitamin B2 detection by mass spectrometry
#11 | 2021-08-05METHODS FOR DETECTING VITAMIN C BY MASS SPECTROMETRY
#12 | 2021-04-01Detection of vitamins A and E by tandem mass spectrometry
#13 | 2020-12-03Mass spectrometry method for measuring vitamin B6 in body fluid
#14 | 2020-11-26Mass spectrometry method for measuring thiamine in body fluid
#15 | 2020-06-11Vitamin B2 detection by mass spectrometry
#16 | 2020-01-02DETERMINATION OF ANALYTES IN LIQUID SAMPLES BY MASS SPECTROMETRY
#17 | 2019-06-27Vitamin B2 detection by mass spectrometry
#18 | 2019-06-06Detection of vitamins A and E by tandem mass spectrometry
#19 | 2018-11-29Mass spectrometry method for measuring thiamine in body fluid
#20 | 2017-08-24METHODS FOR DETECTING VITAMIN C BY MASS SPECTROMETRY
#21 | 2016-06-16Methods for detecting vitamin C by mass spectrometry
#22 | 2016-05-05MASS SPECTROMETRY METHOD FOR MEASURING VITAMIN B6 IN BODY FLUIDS
#23 | 2015-03-05VITAMIN B2 DETECTION BY MASS SPECTROMETRY
#24 | 2014-10-02Methods for detecting vitamin C by mass spectrometry
#25 | 2014-08-28Vitamin B2 detection by mass spectrometry
#26 | 2014-02-20Methods for detecting vitamin C by mass spectrometry
#27 | 2013-07-25Vitamin B2 detection by mass spectrometry
#28 | 2013-05-09MASS SPECTROMETRY METHOD FOR MEASURING THIAMINE IN BODY FLUID
#29 | 2013-04-18Methods for detecting vitamin C by mass spectrometry
#30 | 2012-05-10Detection of vitamins A and E by tandem mass spectrometry
#31 | 2011-12-15DETERMINATION OF LAMOTRIGINE BY MASS SPECTROMETRY
#32 | 2011-12-08Mass spectrometry method for measuring vitamin B6 in body fluids
#33 | 2011-07-28Methods for detecting vitamin C by mass spectrometry
#34 | 2010-06-24Vitamin B2 detection by mass spectrometry
#35 | 2010-04-08Methods for detecting vitamin C by mass spectrometry
#36 | 2009-04-09MASS SPECTROMETRY METHOD FOR MEASURING THIAMINE IN BODY FLUID
#37 | 2008-12-18Mass spectrometry method for measuring vitamin B6 in body fluid
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