G01N 21/272
For following a reaction
Official title: {for following a reaction, e.g. for determining photometrically a reaction rate (photometric cinetic analysis)}
G01N21/272 (For following a reaction) appears on 306 US grants and 400 published applications in this corpus.
Search patents in G01N- Granted patents
- 306
- Published applications
- 400
- Assignees
- 255
- Inventors
- 936
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 5 | 0 |
| 1978 | 5 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 3 | 4 |
| 2003 | 1 | 9 |
| 2004 | 4 | 5 |
| 2005 | 1 | 13 |
| 2006 | 6 | 11 |
| 2007 | 3 | 9 |
| 2008 | 6 | 14 |
| 2009 | 7 | 6 |
| 2010 | 2 | 9 |
| 2011 | 6 | 7 |
| 2012 | 7 | 8 |
| 2013 | 6 | 17 |
| 2014 | 9 | 8 |
| 2015 | 10 | 21 |
| 2016 | 13 | 23 |
| 2017 | 16 | 23 |
| 2018 | 18 | 27 |
| 2019 | 16 | 32 |
| 2020 | 21 | 28 |
| 2021 | 14 | 25 |
| 2022 | 21 | 22 |
| 2023 | 20 | 18 |
| 2024 | 18 | 32 |
| 2025 | 21 | 19 |
| 2026 | 11 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for accumulating microscopic objects, and method for detecting microscopic objects using same29 Sep 2026US 12,748,113 B2University Public Corporation Osaka
- Method for evaluating resist polymer25 Aug 2026US 12,716,841 B2Maruzen Petrochemical Co., Ltd.
- Method and apparatus for detecting a photochemically active chemical species in a sample4 Aug 2026US 12,699,043 B2Centre National De La Recherche Scientifique
- Automatic analysis device and automatic analysis method30 Jun 2026US 12,669,495 B2Hitachi High-Tech Corporation
- Evanescent scattering imaging of single molecules26 May 2026US 12,638,391 B2Arizona Board of Regents on behalf of Arizona State University
- Analytical apparatus, analytical method and non-transitory computer readable medium20 Aug 2026US 2026/0243661 A1Yokogawa Electric Corporation
- Single-use clinical spectrophotometer20 Aug 2026US 2026/0243693 A1In Diagnostics, Inc.
- Dry paper-based test strip potassium assay13 Aug 2026US 2026/0235499 A1Jana Care, Inc.
- System for real-time measurement of photochemical production systems23 Jul 2026US 2026/0210842 A1Colorado State University Research Foundation
- Automated analysis device and sample analysis method16 Jul 2026US 2026/0202434 A1Hitachi High-Tech Corporation
Most cited
By later US patents
- Measuring apparatus199US 5,316,727 ATerumo Kabushiki Kaisha · 1994
- Apparatus for investigating fast chemical reactions by optical detection123US 4,076,420 AMax-Planck-Gesellschaft zur Forderung der Wissenschaften e.V. · 1978
- Method for measuring substance and testing piece118US 7,189,576 B2ARKRAY, Inc. · 2007
- Concentration measuring method116US 7,054,759 B2ARKRAY, Inc. · 2006
- Method for measuring substance and testing piece116US 7,153,696 B2ARKRAY, Inc. · 2006