C12P 13/14
Glutamic acid
Official title: Glutamic acid; Glutamine
C12P13/14 (Glutamic acid) appears on 241 US grants and 304 published applications in this corpus.
Search patents in C12P- Granted patents
- 241
- Published applications
- 304
- Assignees
- 92
- Inventors
- 746
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 5 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 8 | 0 |
| 2000 | 6 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 11 |
| 2003 | 5 | 13 |
| 2004 | 4 | 9 |
| 2005 | 9 | 15 |
| 2006 | 6 | 12 |
| 2007 | 16 | 21 |
| 2008 | 10 | 8 |
| 2009 | 6 | 21 |
| 2010 | 4 | 19 |
| 2011 | 14 | 13 |
| 2012 | 13 | 11 |
| 2013 | 7 | 11 |
| 2014 | 15 | 12 |
| 2015 | 12 | 16 |
| 2016 | 11 | 11 |
| 2017 | 6 | 9 |
| 2018 | 10 | 15 |
| 2019 | 5 | 10 |
| 2020 | 7 | 6 |
| 2021 | 7 | 5 |
| 2022 | 3 | 6 |
| 2023 | 3 | 11 |
| 2024 | 6 | 11 |
| 2025 | 5 | 12 |
| 2026 | 6 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- L-glutamic acid-producing mutant microorganism of genus Corynebacterium, and method for producing l-glutamic acid using same22 Sep 2026US 12,742,159 B2Daesang Corporation
- Generation of acyl amino acids28 Jul 2026US 12,692,503 B2Modular Genetics, Inc.
- Method of producing L-amino acid28 Jul 2026US 12,692,523 B2Ajinomoto Co., Inc.
- Modified microorganism of genus Corynebacterium producing l-glutamic acid and method for producing l-glutamic acid using same21 Apr 2026US 12,606,854 B2Daesang Corporation
- Mutant of Corynebacterium glutamicum with enhanced l-glutamic acid productivity and method for preparing l-glutamic acid using the same14 Apr 2026US 12,600,939 B2Daesang Corporation
- Corynebacterium sp. microorganism producing l-glutamic acid and method for producing l-glutamic acid using same8 Oct 2026US 2026/0308647 A1Daesang Corporation
- Microorganism with enhanced pyruvate dehydrogenase complex dihydrolipoyllysine-residue acetyltransferase activity and method for producing l-amino acids using same17 Sep 2026US 2026/0275364 A1Cj Cheiljedang Corporation
- Ep6 promoter, related biomaterial, and use thereof3 Sep 2026US 2026/0258095 A1Ningxia Eppen Biotech Co., Ltd
- Mutated microorganism of genus corynebacterium which produces l-glutamic acid and method for producing l-glutamic acid using same3 Sep 2026US 2026/0258375 A1Daesang Corporation
- Corynebacterium sp. mutant microorganism producing l-glutamic acid and method for producing l-glutamic acid using same3 Sep 2026US 2026/0258459 A1Daesang Corporation
Most cited
By later US patents
- Method for producing an L-amino acid48US 8,728,772 B2Ajinomoto Co., Inc. · 2014
- Mutant Escherichia coli capable of enhanced L-glutamic acid production by fermentation46US 5,378,616 AAjinomoto Co., Inc. · 1995
- Method of producing chemical by continuous fermentation and continuous fermentation apparatus46US 9,644,221 B2Toray Industries, Inc. · 2017
- Mutant phosphoenolpyruvate carboxylase, its gene, and production method of amino acid39US 5,876,983 AAjinomoto Co., Inc. · 1999
- Use of phosphoketolase for producing useful metabolites34US 7,785,858 B2Ajinomoto Co., Inc. · 2010