G01N 33/6806
Determination of free amino acids
Official title: {Determination of free amino acids}
G01N33/6806 (Determination of free amino acids) appears on 481 US grants and 860 published applications in this corpus.
Search patents in G01N- Granted patents
- 481
- Published applications
- 860
- Assignees
- 512
- Inventors
- 1,976
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 6 | 0 |
| 2000 | 11 | 0 |
| 2001 | 10 | 1 |
| 2002 | 2 | 14 |
| 2003 | 6 | 15 |
| 2004 | 11 | 13 |
| 2005 | 9 | 26 |
| 2006 | 10 | 26 |
| 2007 | 18 | 26 |
| 2008 | 2 | 24 |
| 2009 | 10 | 21 |
| 2010 | 10 | 26 |
| 2011 | 11 | 35 |
| 2012 | 7 | 17 |
| 2013 | 15 | 24 |
| 2014 | 14 | 32 |
| 2015 | 14 | 49 |
| 2016 | 28 | 56 |
| 2017 | 20 | 37 |
| 2018 | 31 | 58 |
| 2019 | 29 | 40 |
| 2020 | 23 | 46 |
| 2021 | 22 | 57 |
| 2022 | 21 | 51 |
| 2023 | 24 | 58 |
| 2024 | 30 | 31 |
| 2025 | 25 | 48 |
| 2026 | 23 | 29 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for analyzing amino acids and/or acylcarnitines1 Sep 2026US 12,724,011 B2National University Corporation Shimane University
- Tryptophan optical probe, preparation method therefor and use thereof1 Sep 2026US 12,724,034 B2East China University of Science and Technology
- Method for measuring COPD biomarkers25 Aug 2026US 12,716,898 B2St. John's University
- Advanced glycation end product analogues18 Aug 2026US 12,709,630 B2Phytoquest Limited
- Method of detecting lung cancer4 Aug 2026US 12,699,096 B2BioMark Cancer Systems Inc.
- Method and System for Continuous Analyte Concentration Monitoring with Integrated Patient Specific Deficiency Classification and Recording Processor8 Oct 2026US 2026/0309695 A1Omaroon Corporation
- Electrochemical aptamer biosensor for detecting phenylalanine and/or tyrosine24 Sep 2026US 2026/0287542 A1Seoul Women's University Industry-University Cooperation Foundation
- Upregulated metabolite found in brain cancer17 Sep 2026US 2026/0276648 A1Board of Regents, The University of Texas System
- Method for examining feline renal dysfunction17 Sep 2026US 2026/0276649 A1Kao Corporation
- Amanita Muscaria Mushroom Extracts and Products, and Improved Processes for Producing Extracts of Amanita Muscaria Mushrooms at Kilogram Scale3 Sep 2026US 2026/0256858 A1Psyched Wellness Ltd.
Most cited
By later US patents
- Method and system for determining bioactive substances458US 5,411,866 ANational Research Council of Canada · 1995
- Isotope distribution encoded tags for protein identification223US 6,629,040 B1Battelle Memorial Institute · 2003
- Microfluidic in-line labeling method for continuous-flow protease inhibition analysis138US 6,468,761 B2Caliper Technologies Corp. · 2002
- Method and system for rapid biomolecular recognition of amino acids and protein sequencing127US 6,846,638 B2NanoBioDynamics, Incorporated · 2005
- Assay for sulfhydryl amino acids and methods for detecting and distinguishing cobalamin and folic acid deficency93US 4,940,658 AUniversity Patents, Inc. · 1990