H01S 3/20
Liquids
H01S3/20 (Liquids) appears on 190 US grants and 87 published applications in this corpus.
Search patents in H01S- Granted patents
- 190
- Published applications
- 87
- Assignees
- 106
- Inventors
- 368
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 5 | 0 |
| 1978 | 5 | 0 |
| 1979 | 7 | 0 |
| 1980 | 2 | 0 |
| 1981 | 6 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 7 | 0 |
| 1988 | 4 | 0 |
| 1989 | 7 | 0 |
| 1990 | 4 | 0 |
| 1991 | 6 | 0 |
| 1992 | 9 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 0 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 3 |
| 2002 | 5 | 3 |
| 2003 | 3 | 4 |
| 2004 | 2 | 1 |
| 2005 | 3 | 4 |
| 2006 | 1 | 3 |
| 2007 | 2 | 8 |
| 2008 | 2 | 5 |
| 2009 | 0 | 2 |
| 2010 | 7 | 4 |
| 2011 | 2 | 3 |
| 2012 | 2 | 4 |
| 2013 | 4 | 4 |
| 2014 | 9 | 7 |
| 2015 | 1 | 2 |
| 2016 | 2 | 0 |
| 2017 | 2 | 4 |
| 2018 | 1 | 3 |
| 2019 | 6 | 6 |
| 2020 | 5 | 2 |
| 2021 | 1 | 3 |
| 2022 | 3 | 4 |
| 2023 | 3 | 1 |
| 2024 | 4 | 6 |
| 2025 | 7 | 0 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Differential frequency generation29 Sep 2026US 12,749,866 B2The United States of America as represented by the Secretary of the Air Force
- Fiber for optical power amplification and/or optical power generation31 Mar 2026US 12,592,537 B2The United States of America as represented by the Secretary of the Air Force
- Element, method for producing same and organic semiconductor laser diode21 Oct 2025US 12,451,671 B2Koala Tech Inc.
- Method and system for producing light of specified wavelength1 Jul 2025US 12,344,747 B1Imam Mohammad Ibn Saud Islamic University
- Acrylate/chalcone polystyrene composite and uses thereof27 May 2025US 12,312,456 B1Imam Mohammad Ibn Saud Islamic University
- Element, method for producing same and organic semiconductor laser diode8 Jan 2026US 2026/0011980 A1Koala Tech Inc.
- Fiber for optical power amplification and/or optical power generation3 Oct 2024US 2024/0332887 A1Government of the United States as Represented by the Secretary of the Air Force
- Differential frequency generation18 Jul 2024US 2024/0243541 A1Government of the United States as Represented by the Secretary of the Air Force
- Olive oil-tuned broadband conjugated polymer laser medium18 Jul 2024US 2024/0243544 A1Imam Mohammad Ibn Saud Islamic University
- Optical device18 Apr 2024US 2024/0128718 A1Nippon Telegraph and Telephone Corporation
Most cited
By later US patents
- Long wavelength heteroaryl-substituted dipyrrometheneboron difluoride dyes201US 5,248,782 AMolecular Probes, Inc. · 1993
- Apparatus for generating light pulse train121US 4,136,929 AHitachi, Ltd. · 1979
- Optical sources having a strongly scattering gain medium providing laser-like action97US 5,448,582 ABrown University Research Foundation · 1995
- Optical sources having a strongly scattering gain medium providing laser-like action83US 5,625,456 ABrown University Research Foundation · 1997
- Method and apparatus for generating long output pulses from flashlamp-excited lasers78US 5,287,380 ACandela Laser Corporation · 1994