G01R 29/0885
Using optical probes
Official title: {using optical probes, e.g. electro-optical, luminescent, glow discharge, or optical interferometers}
G01R29/0885 (Using optical probes) appears on 221 US grants and 203 published applications in this corpus.
Search patents in G01R- Granted patents
- 221
- Published applications
- 203
- Assignees
- 151
- Inventors
- 527
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 3 | 2 |
| 2003 | 1 | 4 |
| 2004 | 2 | 1 |
| 2005 | 4 | 2 |
| 2006 | 2 | 2 |
| 2007 | 1 | 2 |
| 2008 | 2 | 3 |
| 2009 | 2 | 3 |
| 2010 | 3 | 2 |
| 2011 | 1 | 5 |
| 2012 | 2 | 2 |
| 2013 | 1 | 1 |
| 2014 | 3 | 4 |
| 2015 | 3 | 2 |
| 2016 | 2 | 5 |
| 2017 | 3 | 4 |
| 2018 | 2 | 9 |
| 2019 | 6 | 10 |
| 2020 | 14 | 9 |
| 2021 | 11 | 17 |
| 2022 | 15 | 15 |
| 2023 | 21 | 27 |
| 2024 | 28 | 23 |
| 2025 | 26 | 22 |
| 2026 | 18 | 27 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Radiofrequency Sensor Based on a Light-Atom Quantum Interferometer with Alkali Atomic Vapor Cell20 Aug 2026US 2026/0243811 A1Thales Alenia Space Italia S.p.A. Con Unico Socio
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Most cited
By later US patents
- Microwave receiver front-end assembly and array245US 7,835,600 B1HRL Laboratories, LLC · 2010
- Optical sensing apparatus and method136US 4,940,328 AGeorgia Tech Research Corporation · 1990
- Electro-optical sensor for detecting electric fields84US 5,267,336 ASrico, Inc. · 1993
- Method and apparatus for simultaneous measurement of electric field and temperature using an electrooptic semiconductor probe62US 6,906,506 B1The Regents of the University of Michigan · 2005
- Electro-optic electromagnetic field sensor system with optical bias adjustment58US 5,963,034 ARamar Corporation · 1999