C12Q 1/58
Involving urea or urease
Official title: involving urea or urease
C12Q1/58 (Involving urea or urease) appears on 128 US grants and 91 published applications in this corpus.
Search patents in C12Q- Granted patents
- 128
- Published applications
- 91
- Assignees
- 88
- Inventors
- 279
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 7 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 7 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 5 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 6 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 5 | 2 |
| 2002 | 2 | 5 |
| 2003 | 1 | 6 |
| 2004 | 6 | 5 |
| 2005 | 2 | 1 |
| 2006 | 3 | 2 |
| 2007 | 3 | 1 |
| 2008 | 0 | 2 |
| 2009 | 2 | 5 |
| 2010 | 0 | 2 |
| 2011 | 1 | 0 |
| 2012 | 3 | 3 |
| 2013 | 1 | 4 |
| 2014 | 0 | 4 |
| 2015 | 1 | 7 |
| 2016 | 4 | 6 |
| 2017 | 4 | 3 |
| 2018 | 2 | 3 |
| 2019 | 4 | 1 |
| 2020 | 1 | 12 |
| 2021 | 2 | 6 |
| 2022 | 5 | 3 |
| 2023 | 4 | 3 |
| 2024 | 5 | 2 |
| 2025 | 0 | 2 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Stabilization of NADPH or NADH in ammonia detection assays14 Apr 2026US 12,601,001 B2Roche Diagnostics Operations, Inc.
- Compositions and methods for improved calibration accuracy of creatinine/creatine sensors and uses thereof20 Jan 2026US 12,529,673 B2Instrumentation Laboratory Company
- Restoring function of tumour acidified T cells1 Oct 2024US 12,104,198 B2Helix BioPharma Corporation
- Mixed ionophore ion-selective electrode for the improved dectection of urea in blood16 Jul 2024US 12,038,404 B2Radiometer Medical ApS
- Control of pH in aqueous urea-containing solutions utilizing amino acid-containing compositions5 Mar 2024US 11,921,124 B2Siemens Healthcare Diagnostics Inc.
- Method for detecting mycobacterium tuberculosis29 Jan 2026US 2026/0028660 A1Chungnam National University Hospital
- Method for analyzing modified nucleoside18 Dec 2025US 2025/0382669 A1AiSTI SCIENCE CO., Ltd.
- Biosensor and methods of in-situ measuring of nutrient content of a crop cultivation substrate23 Jan 2025US 2025/0027927 A1North Carolina State University
- Dual enzyme amplification based colorimetric sensor system for on-site detection of pathogen5 Dec 2024US 2024/0402184 A1Korea Research Institute of Bioscience and Biotechnology
- Composition for predicting or diagnosing early-stage diffuse gastric cancer, comprising preparation for measuring level of pepsinogen ii2 May 2024US 2024/0141405 A1Seoul National University Hospital
Most cited
By later US patents
- Enzyme-containing polymeric sensors256US 6,291,200 B1Agentase, LLC · 2001
- Chemiresistor urea sensor181US 5,698,083 AThe Regents of the University of California · 1997
- Sensor material, sensor and detection method for bio-substance159US 6,780,647 B2Fuji Xerox Co., Ltd. · 2004
- Test device and kit for detecting helicobacter pylori131US 5,420,016 ASerim Research Corporation · 1995
- Blood plasma test device including a semipermeable membrane made of an expanded hydrophobic material that has been treated with a surfactant114US 5,130,231 AChem-Elec, Inc. · 1992