G01N 27/414
Ion-sensitive or chemical field-effect transistors, i.e. isfets or chemfets
Official title: Ion-sensitive or chemical field-effect transistors, i.e. ISFETS or CHEMFETS
G01N27/414 (Ion-sensitive or chemical field-effect transistors, i.e. isfets or chemfets) appears on 2,209 US grants and 2,892 published applications in this corpus.
Search patents in G01N- Granted patents
- 2,209
- Published applications
- 2,892
- Assignees
- 891
- Inventors
- 4,668
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 7 | 0 |
| 1981 | 6 | 0 |
| 1982 | 9 | 0 |
| 1983 | 7 | 0 |
| 1984 | 11 | 0 |
| 1985 | 6 | 0 |
| 1986 | 6 | 0 |
| 1987 | 15 | 0 |
| 1988 | 11 | 0 |
| 1989 | 17 | 0 |
| 1990 | 14 | 0 |
| 1991 | 16 | 0 |
| 1992 | 4 | 0 |
| 1993 | 6 | 0 |
| 1994 | 7 | 0 |
| 1995 | 9 | 0 |
| 1996 | 3 | 0 |
| 1997 | 6 | 0 |
| 1998 | 9 | 0 |
| 1999 | 6 | 0 |
| 2000 | 8 | 0 |
| 2001 | 11 | 2 |
| 2002 | 10 | 17 |
| 2003 | 10 | 10 |
| 2004 | 7 | 30 |
| 2005 | 18 | 57 |
| 2006 | 21 | 56 |
| 2007 | 21 | 73 |
| 2008 | 34 | 52 |
| 2009 | 23 | 59 |
| 2010 | 42 | 102 |
| 2011 | 54 | 115 |
| 2012 | 61 | 155 |
| 2013 | 105 | 118 |
| 2014 | 122 | 169 |
| 2015 | 132 | 149 |
| 2016 | 101 | 167 |
| 2017 | 133 | 173 |
| 2018 | 128 | 162 |
| 2019 | 138 | 199 |
| 2020 | 158 | 207 |
| 2021 | 139 | 183 |
| 2022 | 106 | 171 |
| 2023 | 109 | 161 |
| 2024 | 122 | 132 |
| 2025 | 134 | 97 |
| 2026 | 81 | 76 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Biosensor based on metal oxide thin film transistor and manufacturing method for the same6 Oct 2026US 12,754,162 B2Ajou University Industry-Academic Cooperation Foundation
- Electrically-driven organic color-center-based single-photon sources and sensors6 Oct 2026US 12,757,571 B2University of Maryland, College Park
- Semiconductor device for determining a biomolecule characteristic29 Sep 2026US 12,748,098 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Biochip and manufacturing method thereof15 Sep 2026US 12,736,497 B2Episil Technologies Inc.
- Biosensor cartridge and biosensor system including same8 Sep 2026US 12,730,088 B2LG Electronics Inc.
- Bio-field-effect transistor with enhanced temporal stability8 Oct 2026US 2026/0309672 A1International Business Machines Corporation
- Gas sensor based on thiophene-based high performance organic semiconducting materials with large surface area vertical device design1 Oct 2026US 2026/0298866 A1Corning Incorporated
- Biological material sensing semiconductor device1 Oct 2026US 2026/0298867 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Cartridge and analyzer for fluid analysis1 Oct 2026US 2026/0298920 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Field effect transistor and method for manufacturing same24 Sep 2026US 2026/0287545 A1LG Electronics Inc.
Most cited
By later US patents
- Methods and apparatus for measuring analytes using large scale FET arrays448US 7,948,015 B2Life Technologies Corporation · 2011
- Molecule-based microelectronic devices444US 4,721,601 AMassachusetts Institute of Technology · 1988
- Electrochemical microsensors and method of making such sensors441US 4,874,499 AMassachusetts Institute of Technology · 1989
- Sensors for sugars and other metal binding analytes429US 6,063,637 ACalifornia Institute of Technology · 2000
- Microelectrochemical devices413US 4,717,673 AMassachusetts Institute of Technology · 1988