G04F 5/145
Using coherent population trapping
Official title: {using Coherent Population Trapping}
G04F5/145 (Using coherent population trapping) appears on 238 US grants and 258 published applications in this corpus.
Search patents in G04F- Granted patents
- 238
- Published applications
- 258
- Assignees
- 86
- Inventors
- 317
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 2 |
| 2005 | 2 | 3 |
| 2006 | 3 | 0 |
| 2007 | 0 | 6 |
| 2008 | 6 | 4 |
| 2009 | 1 | 5 |
| 2010 | 4 | 5 |
| 2011 | 8 | 11 |
| 2012 | 6 | 12 |
| 2013 | 7 | 8 |
| 2014 | 10 | 18 |
| 2015 | 18 | 31 |
| 2016 | 25 | 15 |
| 2017 | 12 | 13 |
| 2018 | 12 | 17 |
| 2019 | 19 | 23 |
| 2020 | 32 | 8 |
| 2021 | 9 | 8 |
| 2022 | 8 | 14 |
| 2023 | 10 | 19 |
| 2024 | 16 | 11 |
| 2025 | 15 | 17 |
| 2026 | 8 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Atomic oscillator, control method, and control device, incorporation by reference2 Jun 2026US 12,647,123 B2NEC Corporation
- Compact ion microwave atomic clock26 May 2026US 12,640,745 B1National Technology & Engineering Solutions of Sandia, LLC
- Substrate, method for producing substrate, and method for producing unit cell5 May 2026US 12,617,713 B2National Institute of Information and Communications Technology
- Surface emitting laser, eyeball-tilt-position detecting device, distance measuring device, display device, and atomic oscillator6 Aug 2026US 2026/0229848 A1Ricoh Company, Ltd.
- Absorbing Gas Species from a Cavity of a Vapor Cell9 Apr 2026US 2026/0098877 A1Quantum Valley Ideas Laboratories
- Forming Antirelaxation Coatings on Interior Surfaces of Vapor Cells9 Apr 2026US 2026/0099125 A1Quantum Valley Ideas Laboratories
- Antirelaxation Coatings for Vapor Cells9 Apr 2026US 2026/0100716 A1Quantum Valley Ideas Laboratories
- Atomic Clock Device, Laser System, and Adjustment Method26 Mar 2026US 2026/0088588 A1Shimadzu Corporation
Most cited
By later US patents
- Heterodyne detection of coherent Raman signals126US 4,193,690 AUniversity of Southern California · 1980
- Miniature frequency standard based on all-optical excitation and a micro-machined containment vessel76US 6,806,784 B2National Institute of Standards and Technology · 2004
- Method and system for operating an atomic clock with alternating-polarization light64US 7,102,451 B2Princeton University, Office of Technology, Licensing & Intellectual Property · 2006
- System for charging a vapor cell58US 8,258,884 B2Teledyne Scientific & Imaging, LLC · 2012
- Vapor cells having reduced scattering cross-sections and their methods of manufacture47US 10,605,840 B1Quantum Valley Ideas Laboratories · 2020