H01S 3/169
Nanoparticles
Official title: {Nanoparticles, e.g. doped nanoparticles acting as a gain material}
H01S3/169 (Nanoparticles) appears on 132 US grants and 166 published applications in this corpus.
Search patents in H01S- Granted patents
- 132
- Published applications
- 166
- Assignees
- 116
- Inventors
- 383
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 2 | 1 |
| 2003 | 0 | 6 |
| 2004 | 2 | 10 |
| 2005 | 3 | 12 |
| 2006 | 12 | 12 |
| 2007 | 5 | 17 |
| 2008 | 6 | 7 |
| 2009 | 7 | 12 |
| 2010 | 9 | 22 |
| 2011 | 13 | 6 |
| 2012 | 10 | 9 |
| 2013 | 4 | 3 |
| 2014 | 5 | 1 |
| 2015 | 5 | 9 |
| 2016 | 4 | 1 |
| 2017 | 5 | 5 |
| 2018 | 5 | 4 |
| 2019 | 2 | 5 |
| 2020 | 8 | 5 |
| 2021 | 3 | 6 |
| 2022 | 3 | 4 |
| 2023 | 3 | 2 |
| 2024 | 4 | 5 |
| 2025 | 4 | 0 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Laser device and method of achieving optical gain with colloidal quantum fountains16 Jun 2026US 12,658,665 B2Uchicago Argonne, LLC
- Visualization of sub-wavelength features24 Feb 2026US 12,560,530 B2The Board of Trustees of the University of Illinois
- Systems and methods for microdisk and multiplet laser particles18 Nov 2025US 12,476,436 B2The General Hospital Corporation
- Low-power source of squeezed light16 Sep 2025US 12,418,155 B2The MITRE Corporation
- Methods for obtaining an n-type doped metal chalcogenide quantum dot solid-state element with optical gain and a light emitter including the element, and the obtained element and light emitter1 Jul 2025US 12,344,783 B2Fundació Institut De CièNcies FotòNiques
- Photonic integrated circuits with doped functional structures29 Jan 2026US 2026/0029574 A1santec Holdings Corporation
- System and method for imaging using speckle-free illumination5 Sep 2024US 2024/0295743 A1Orbotech Ltd.
- Low-power source of squeezed light5 Sep 2024US 2024/0297473 A1The MITRE Corporation
- Optical device18 Apr 2024US 2024/0128718 A1Nippon Telegraph and Telephone Corporation
- Room temperature lasing from semiconducting single walled carbon nanotubes29 Feb 2024US 2024/0072515 A1Northwestern University
Most cited
By later US patents
- Optical fiber with quantum dots473US 7,054,513 B2Lambda Instruments, Inc. · 2006
- Optical fibre with quantum dots341US 5,881,200 ABritish Telecommunications Public Ltd.Co. · 1999
- Quantum dot white and colored light emitting diodes330US 6,501,091 B1Hewlett-Packard Company · 2002
- Quantum dot white and colored light-emitting devices190US 6,803,719 B1Massachusetts Institute of Technology · 2004
- Nanocomposites165US 7,068,898 B2Nanosys, Inc. · 2006