C12P 13/20
Aspartic acid
Official title: Aspartic acid; Asparagine
C12P13/20 (Aspartic acid) appears on 121 US grants and 111 published applications in this corpus.
Search patents in C12P- Granted patents
- 121
- Published applications
- 111
- Assignees
- 64
- Inventors
- 302
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 8 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 1 |
| 2002 | 2 | 2 |
| 2003 | 0 | 1 |
| 2004 | 3 | 2 |
| 2005 | 1 | 2 |
| 2006 | 0 | 3 |
| 2007 | 3 | 14 |
| 2008 | 3 | 1 |
| 2009 | 0 | 4 |
| 2010 | 3 | 6 |
| 2011 | 0 | 4 |
| 2012 | 1 | 7 |
| 2013 | 1 | 8 |
| 2014 | 9 | 8 |
| 2015 | 9 | 12 |
| 2016 | 7 | 4 |
| 2017 | 7 | 5 |
| 2018 | 4 | 5 |
| 2019 | 3 | 7 |
| 2020 | 5 | 1 |
| 2021 | 2 | 1 |
| 2022 | 2 | 4 |
| 2023 | 2 | 0 |
| 2024 | 0 | 3 |
| 2025 | 1 | 5 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Genetically modified microorganism for production of aspartic acid and downstream metabolites from aspartic acid as target substance, and method for producing target substance using same14 Apr 2026US 12,600,991 B2Green Earth Institute Co., Ltd.
- Modified indole-3-acetic acid-amido synthetase GH3.6 enzyme having n-acylation activity10 Feb 2026US 12,545,935 B1Ajinomoto Co., Inc.
- Enrichment of amino acids from biomass residuum21 Jan 2025US 12,203,116 B2National Technology & Engineering Solutions of Sandia, LLC
- Glucoamylase variants and polynucleotides encoding same12 Dec 2023US 11,840,713 B2Novozymes A/S
- Genetic perturbation of the RNA degradosome protein complex10 Jan 2023US 11,549,096 B2Zymergen Inc.
- Method for producing substance29 Jan 2026US 2026/0028656 A1Mitsubishi Chemical Corporation
- Preparation methods for n-acetyl-d-amino acid, d-amino acid, and d-amino acid derivative21 Aug 2025US 2025/0263759 A1Mint Biotechnologies Co., Ltd.
- Glucoamylase variants and polynucleotides encoding same24 Jul 2025US 2025/0236859 A1Novozymes A/S
- Transformant of genus hydrogenophilus bacterium capable of producing aspartic acid and methionine24 Jul 2025US 2025/0236896 A1Sumitomo Chemical Company, Limited
- L-amino acid-producing microorganism having weakened carbamoyl phosphate synthase activity, and l-amino acid production method using same26 Jun 2025US 2025/0207161 A1Cj Cheiljedang Corporation
Most cited
By later US patents
- Vermiculite as a carrier support for immobilized biological materials135US 4,504,582 AGenex Corporation · 1985
- Method of producing chemical by continuous fermentation and continuous fermentation apparatus46US 9,644,221 B2Toray Industries, Inc. · 2017
- Immobilized cells for preparing phenylalanine39US 4,600,692 APurification Engineering, Inc. · 1986
- 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