H01S 3/0621
Coatings on the end-faces
Official title: {Coatings on the end-faces, e.g. input/output surfaces of the laser light}
H01S3/0621 (Coatings on the end-faces) appears on 257 US grants and 278 published applications in this corpus.
Search patents in H01S- Granted patents
- 257
- Published applications
- 278
- Assignees
- 190
- Inventors
- 630
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 10 | 0 |
| 2002 | 4 | 6 |
| 2003 | 5 | 4 |
| 2004 | 4 | 6 |
| 2005 | 5 | 5 |
| 2006 | 7 | 7 |
| 2007 | 4 | 7 |
| 2008 | 2 | 8 |
| 2009 | 9 | 11 |
| 2010 | 5 | 13 |
| 2011 | 8 | 13 |
| 2012 | 9 | 19 |
| 2013 | 13 | 8 |
| 2014 | 9 | 5 |
| 2015 | 13 | 11 |
| 2016 | 16 | 10 |
| 2017 | 5 | 12 |
| 2018 | 11 | 19 |
| 2019 | 13 | 20 |
| 2020 | 20 | 25 |
| 2021 | 9 | 9 |
| 2022 | 18 | 11 |
| 2023 | 7 | 24 |
| 2024 | 9 | 8 |
| 2025 | 7 | 8 |
| 2026 | 5 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Laser resonator assembly28 Jul 2026US 12,695,263 B2
- Laser system for ranging applications28 Jul 2026US 12,695,267 B2
- Optical resonator, constituent part of optical resonator, and laser device14 Apr 2026US 12,603,469 B2Sony Group Corporation
- Tunable microchip laser and laser system for ranging applications24 Mar 2026US 12,586,976 B2
- Passively Q-switched laser and laser system for ranging applications10 Mar 2026US 12,573,804 B2
- Laser system, method for creating at least one shaped and amplified laser beam using a laser system, and optical system9 Jul 2026US 2026/0196799 A1Deutsches Zentrum für Luft- und Raumfahrt e. V.
- Optically pumped microchip laser and a method for generating electromagnetic laser radiation25 Jun 2026US 2026/0180284 A1Picophotonics Ltd.
- Laser matrix for optical neural networks18 Jun 2026US 2026/0171748 A1Microsoft Technology Licensing, LLC
- Optical element, laser device and method for manufacturing optical element11 Jun 2026US 2026/0163324 A1Inter-University Research Institute Corporation National Institutes of Natural Sciences
- Intracavity Frequency-Doubling Yellow Laser Device28 May 2026US 2026/0149234 A1Fuzhou Photop Optics Co., Ltd.
Most cited
By later US patents
- Slab laser and amplifier and method of use118US 9,525,262 B22016
- Method and apparatus for waveguide optics and devices111US 6,330,388 B1Northstar Photonics, Inc. · 2001
- Optical parametric oscillator for lidar system90US 9,810,786 B1Luminar Technologies, Inc. · 2017
- Laser diode pumped solid state laser with miniaturized quick disconnect laser head78US 4,665,529 ASpectra-Physics, Inc. · 1987
- Solid state laser65US 4,731,795 AAmoco Corporation · 1988