C12P 13/10
Citrulline
Official title: Citrulline; Arginine; Ornithine
C12P13/10 (Citrulline) appears on 148 US grants and 198 published applications in this corpus.
Search patents in C12P- Granted patents
- 148
- Published applications
- 198
- Assignees
- 47
- Inventors
- 438
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 7 |
| 2003 | 0 | 9 |
| 2004 | 4 | 3 |
| 2005 | 6 | 13 |
| 2006 | 4 | 8 |
| 2007 | 6 | 15 |
| 2008 | 8 | 4 |
| 2009 | 9 | 12 |
| 2010 | 5 | 10 |
| 2011 | 8 | 4 |
| 2012 | 4 | 8 |
| 2013 | 4 | 8 |
| 2014 | 11 | 7 |
| 2015 | 14 | 10 |
| 2016 | 5 | 9 |
| 2017 | 5 | 3 |
| 2018 | 3 | 12 |
| 2019 | 6 | 5 |
| 2020 | 11 | 7 |
| 2021 | 2 | 4 |
| 2022 | 5 | 4 |
| 2023 | 3 | 6 |
| 2024 | 1 | 6 |
| 2025 | 6 | 15 |
| 2026 | 4 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Shewanella atlantica-derived protein-expressing microorganism and L-amino acid production method using same15 Sep 2026US 12,735,461 B2Cj Cheiljedang Corporation
- Mutant of corynebacterium glutamicum with enhanced L-citrulline productivity and method for preparing L-citrulline using the same25 Aug 2026US 12,716,081 B2Daesang Corporation
- Microorganism of Corynebacterium genus having enhanced L-arginine or L-citrulline productivity and a method for producing L-arginine or L-citrulline using the same7 Apr 2026US 12,595,461 B2Daesang Corporation
- Gene engineering bacteria for producing L-arginine and construction method and application of gene engineering bacteria10 Mar 2026US 12,571,013 B2Ningxia Eppen Biotech Co., Ltd
- Microorganism comprising variant LysE and method of L-amino acid production using same23 Dec 2025US 12,503,712 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
- Lyso-ornithine lipid biosurfactant overproduction system27 Aug 2026US 2026/0250648 A1University of the Western Cape
- Microorganism having foreign nicotinamide nucleotide transhydrogenase introduced thereinto and method for producing l-amino acid or derivative thereof using same27 Aug 2026US 2026/0250694 A1Cj Cheiljedang Corporation
- Mutant prolyl isomerase and glutamate-based amino acid production method using same13 Aug 2026US 2026/0234598 A1Cj Cheiljedang Corporation
- Fermentative production guanidinoacetic acid (gaa) from serine by attenuating l serine ammonia lyase activity in microorganisms30 Jul 2026US 2026/0218253 A1Evonik Operations GmbH
Most cited
By later US patents
- Method of producing chemical by continuous fermentation and continuous fermentation apparatus46US 9,644,221 B2Toray Industries, Inc. · 2017
- Method for producing L-arginine by fermentation43US 4,430,430 AAjinomoto Co., Inc. · 1984
- Use of phosphoketolase for producing useful metabolites34US 7,785,858 B2Ajinomoto Co., Inc. · 2010
- Corynebacterium glutamicum genes encoding novel proteins29US 6,962,989 B1BASF SE · 2005
- Process for decreasing verbascose in a plant by expression of a chloroplast-targeted fimD protein23US 8,952,217 B2Metanomics GmbH · 2015