C12P 13/12
Methionine
Official title: Methionine; Cysteine; Cystine
C12P13/12 (Methionine) appears on 260 US grants and 365 published applications in this corpus.
Search patents in C12P- Granted patents
- 260
- Published applications
- 365
- Assignees
- 92
- Inventors
- 650
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 6 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 9 |
| 2003 | 2 | 6 |
| 2004 | 7 | 7 |
| 2005 | 5 | 22 |
| 2006 | 2 | 16 |
| 2007 | 12 | 21 |
| 2008 | 10 | 12 |
| 2009 | 8 | 23 |
| 2010 | 8 | 25 |
| 2011 | 5 | 9 |
| 2012 | 13 | 27 |
| 2013 | 10 | 19 |
| 2014 | 13 | 10 |
| 2015 | 22 | 15 |
| 2016 | 16 | 19 |
| 2017 | 9 | 14 |
| 2018 | 8 | 15 |
| 2019 | 14 | 23 |
| 2020 | 17 | 12 |
| 2021 | 12 | 12 |
| 2022 | 7 | 9 |
| 2023 | 10 | 10 |
| 2024 | 2 | 9 |
| 2025 | 7 | 12 |
| 2026 | 6 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- O-acetyl homoserine-producing microorganism and method for producing o-acetyl homoserine or l-methionine using same6 Oct 2026US 12,753,382 B2Cj Cheiljedang Corporation
- Citrate synthase variant and method for producing O-acetyl-L-homoserine or L-methionine using same9 Jun 2026US 12,649,909 B2Cj Cheiljedang Corporation
- L-methionine producing microorganism to which protein encoded by foreign metZ gene is introduced and method for producing L-methionine using same9 Jun 2026US 12,649,938 B2Cj Cheiljedang Corporation
- Biocatalyst as a core component of an enzyme-catalyzed redox system for the biocatalytic reduction of cystine14 Apr 2026US 12,600,995 B2Wacker Chemie AG
- Microorganism producing L-amino acid and method of producing L-amino acid using the same27 Jan 2026US 12,534,747 B2Cj Cheiljedang 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
- Method of recovering acetic acid from fermentation broth or fermentation waste liquor and reusing the same27 Aug 2026US 2026/0250725 A1Cj Cheiljedang Corporation
- O-acylhomoserine sulfhydrylase variant and use thereof20 Aug 2026US 2026/0242755 A1Cj Cheiljedang Corporation
- Method for preparing l-cysteine hydrochloride hydrate crystals of which particle size is controlled6 Aug 2026US 2026/0226002 A1Cj Cheiljedang Corporation
- Bacteria and a method of using same for amino acids biosynthesis6 Aug 2026US 2026/0226403 A1Migal Galilee Research Institute Ltd.
Most cited
By later US patents
- Production of L-amino acids by transamination68US 4,518,692 AGenetics Institute, Inc. · 1985
- Method of producing chemical by continuous fermentation and continuous fermentation apparatus46US 9,644,221 B2Toray Industries, Inc. · 2017
- Process for the production of organic acids by biological hydrolysis42US 3,940,316 AAgence Nationale de Valorisation de la Recherche (ANVAR) · 1976
- Microorganisms and processes for the fermentative preparation of L-cysteine, L-cystine, N-acetylserine or thiazolidine derivatives42US 5,972,663 AConsortium fur Elektrochemische Industrie GmbH · 1999
- Enzymatic synthesis of chiral amines using -2-amino propane as amine donor35US 6,133,018 ACelgro · 2000