G01R 33/26
Using optical pumping
Official title: using optical pumping
G01R33/26 (Using optical pumping) appears on 476 US grants and 593 published applications in this corpus.
Search patents in G01R- Granted patents
- 476
- Published applications
- 593
- Assignees
- 235
- Inventors
- 981
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 6 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 2 |
| 2006 | 4 | 3 |
| 2007 | 3 | 4 |
| 2008 | 1 | 1 |
| 2009 | 1 | 6 |
| 2010 | 4 | 10 |
| 2011 | 5 | 8 |
| 2012 | 4 | 7 |
| 2013 | 10 | 17 |
| 2014 | 5 | 16 |
| 2015 | 12 | 20 |
| 2016 | 16 | 25 |
| 2017 | 19 | 22 |
| 2018 | 29 | 27 |
| 2019 | 32 | 30 |
| 2020 | 27 | 59 |
| 2021 | 41 | 58 |
| 2022 | 54 | 53 |
| 2023 | 43 | 52 |
| 2024 | 45 | 61 |
| 2025 | 46 | 53 |
| 2026 | 43 | 58 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fluorescence detecting device, and fluorescence detecting method6 Oct 2026US 12,754,261 B2National Institutes for Quantum Science and Technology
- Optically pumped magnetometer and magnetoencephalograph22 Sep 2026US 12,742,838 B2Hamamatsu Photonics K.K.
- Optically pumped magnetometer and magnetoencephalograph15 Sep 2026US 12,733,856 B2Hamamatsu Photonics K.K.
- System and methods for ultrafast widefield quantum sensing using neuromorphic vision sensors8 Sep 2026US 12,730,165 B2The University of Hong Kong
- Solid-state spin sensor with a compliant head1 Sep 2026US 12,724,091 B2EuQlid, Inc.
- Systems and methods for fabrication of a part with an embedded quantum sensor8 Oct 2026US 2026/0309812 A1Toyota Jidosha Kabushiki Kaisha
- Pcsel magnetometer8 Oct 2026US 2026/0309814 A1II-Vi Delaware, Inc.
- Systems and methods for periodic magnetic interference cancellation in zero-field optically pumped magnetometers using internal compensation coils8 Oct 2026US 2026/0309817 A1QuSpin Inc.
- Signal Processing Methods and Systems for Biomagnetic Field Imaging1 Oct 2026US 2026/0294306 A1SB Technology, Inc.
- Atomic electromagnetically induced transparency magnetometer utilizing integrated photonics24 Sep 2026US 2026/0287688 A1Honeywell International Inc.
Most cited
By later US patents
- Diode laser-pumped magnetometer133US 6,472,869 B1The United States of America as represented by the Secretary of the Air Force · 2002
- Magnetometer126US 5,189,368 ALockheed Sanders, Inc. · 1993
- Atomic magnetometer and method of sensing magnetic fields122US 8,334,690 B2The United States of America as represented by the Secretary of Commerce, The National Institute of Standards and Technology · 2012
- Atomic magnetometer114US 8,212,556 B1Sandia Corporation · 2012
- High sensitivity atomic magnetometer and methods for using same102US 7,038,450 B2The Trustees of Princeton University · 2006