G01N 2021/635
Photosynthetic material analysis
Official title: {Photosynthetic material analysis, e.g. chrorophyll}
G01N2021/635 (Photosynthetic material analysis) appears on 90 US grants and 98 published applications in this corpus.
Search patents in G01N- Granted patents
- 90
- Published applications
- 98
- Assignees
- 86
- Inventors
- 261
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 1 |
| 2003 | 3 | 1 |
| 2004 | 1 | 0 |
| 2005 | 1 | 4 |
| 2006 | 2 | 3 |
| 2007 | 1 | 1 |
| 2008 | 3 | 1 |
| 2009 | 1 | 2 |
| 2010 | 0 | 6 |
| 2011 | 0 | 6 |
| 2012 | 2 | 5 |
| 2013 | 4 | 8 |
| 2014 | 5 | 2 |
| 2015 | 4 | 3 |
| 2016 | 4 | 2 |
| 2017 | 2 | 3 |
| 2018 | 5 | 2 |
| 2019 | 3 | 8 |
| 2020 | 1 | 3 |
| 2021 | 1 | 3 |
| 2022 | 5 | 8 |
| 2023 | 2 | 8 |
| 2024 | 6 | 10 |
| 2025 | 8 | 2 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Calibration standard, sensor arrangement and use25 Aug 2026US 12,716,842 B2Endress+Hauser Conducta GmbH+Co. KG
- Multi-color pulse-amplitude modulated handheld fluorescence imager12 May 2026US 12,625,080 B2Agency for Science, Technology and Research
- Monitoring chlorophyll fluorescence and green light reflectance to detect plant stress7 Apr 2026US 12,596,070 B1Mjnn LLC
- Device for diagnosing environmental stress in plants and method for diagnosing environmental stress6 Jan 2026US 12,517,054 B2Bunkoukeiki Co., Ltd.
- Diagnosis device for environmental stress in plants and environmental stress diagnosis method2 Sep 2025US 12,405,258 B2Bunkoukeiki Co., Ltd.
- Temporal variations in flux output23 Jul 2026US 2026/0209659 A1
- Method of measuring chlorophyll fluorescence9 Jul 2026US 2026/0194466 A1
- System and method for monitoring crops30 Apr 2026US 2026/0118274 A1
- A method and system for remote chlorophyll detection and determination of measurement regions for chlorophyll direct measurement9 Apr 2026US 2026/0098809 A1Yara International Asa
- Method for identifying stressors in an agricultural environment based on characteristics of microbe sensors19 Feb 2026US 2026/0049938 A1InnerPlant, Inc.
Most cited
By later US patents
- Light sensing instrument with modulated polychromatic source132US 7,408,145 B22008
- Optical density detector85US 4,986,665 AMinolta Camera Kabushiki Kaisha · 1991
- System for modulating plant growth or attributes59US 8,850,742 B2Heliospectra AB · 2014
- Multiple protocol fluorometer and method56US 6,121,053 ABrookhaven Science Associates, LLC · 2000
- Measurement of fluorescence55US 4,804,850 ALuminis Pty. Ltd. · 1989