C12P 13/06
Alanine
Official title: Alanine; Leucine; Isoleucine; Serine; Homoserine
C12P13/06 (Alanine) appears on 437 US grants and 504 published applications in this corpus.
Search patents in C12P- Granted patents
- 437
- Published applications
- 504
- Assignees
- 183
- Inventors
- 1,189
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 5 | 0 |
| 1984 | 2 | 0 |
| 1985 | 9 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 6 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 7 | 0 |
| 1993 | 6 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 7 | 0 |
| 1999 | 8 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 1 |
| 2002 | 6 | 11 |
| 2003 | 5 | 13 |
| 2004 | 8 | 13 |
| 2005 | 6 | 17 |
| 2006 | 8 | 16 |
| 2007 | 8 | 19 |
| 2008 | 7 | 13 |
| 2009 | 10 | 24 |
| 2010 | 15 | 27 |
| 2011 | 15 | 19 |
| 2012 | 16 | 29 |
| 2013 | 19 | 17 |
| 2014 | 19 | 18 |
| 2015 | 22 | 24 |
| 2016 | 17 | 27 |
| 2017 | 18 | 22 |
| 2018 | 15 | 17 |
| 2019 | 21 | 22 |
| 2020 | 21 | 31 |
| 2021 | 18 | 20 |
| 2022 | 20 | 15 |
| 2023 | 13 | 17 |
| 2024 | 7 | 25 |
| 2025 | 9 | 31 |
| 2026 | 19 | 16 |
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
- Genetically engineered microorganism with high yield of L-isoleucine and method for producing L-isoleucine by fermentation6 Oct 2026US 12,753,424 B2Mint Biotechnologies Co., Ltd.
- Method for converting carbon source into serine22 Sep 2026US 12,742,187 B2Nan Ya Plastics Corporation
- Shewanella atlantica-derived protein-expressing microorganism and L-amino acid production method using same15 Sep 2026US 12,735,461 B2Cj Cheiljedang Corporation
- Promoter and use thereof15 Sep 2026US 12,735,715 B2Cj Cheiljedang Corporation
- Fructokinase variant and method for producing l-amino acid using same24 Sep 2026US 2026/0286320 A1Cj 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
- L-alanine producing microorganism and method for producing l-alanine using same10 Sep 2026US 2026/0265795 A1Cj Cheiljedang Corporation
- 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
- Enzyme co-immobilization for biosynthesis20 Aug 2026US 2026/0242427 A1The Chinese University of Hong Kong
Most cited
By later US patents
- Alanine 2,3-Aminomutase112US 7,309,597 B2Cargill, Incorporated · 2007
- 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
- Immobilized cells for preparing phenylalanine39US 4,600,692 APurification Engineering, Inc. · 1986