H01S 3/30
Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared
Official title: using scattering effects, e.g. stimulated Brillouin or Raman effects
H01S3/30 (Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared) appears on 1,338 US grants and 1,228 published applications in this corpus.
Search patents in H01S- Granted patents
- 1,338
- Published applications
- 1,228
- Assignees
- 435
- Inventors
- 1,972
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 5 | 0 |
| 1980 | 7 | 0 |
| 1981 | 9 | 0 |
| 1982 | 4 | 0 |
| 1983 | 5 | 0 |
| 1984 | 2 | 0 |
| 1985 | 6 | 0 |
| 1986 | 13 | 0 |
| 1987 | 4 | 0 |
| 1988 | 12 | 0 |
| 1989 | 10 | 0 |
| 1990 | 11 | 0 |
| 1991 | 12 | 0 |
| 1992 | 12 | 0 |
| 1993 | 12 | 0 |
| 1994 | 9 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 10 | 0 |
| 1999 | 11 | 0 |
| 2000 | 15 | 0 |
| 2001 | 19 | 15 |
| 2002 | 58 | 103 |
| 2003 | 80 | 105 |
| 2004 | 87 | 95 |
| 2005 | 74 | 71 |
| 2006 | 81 | 46 |
| 2007 | 51 | 41 |
| 2008 | 39 | 30 |
| 2009 | 30 | 37 |
| 2010 | 28 | 30 |
| 2011 | 38 | 39 |
| 2012 | 21 | 34 |
| 2013 | 26 | 36 |
| 2014 | 44 | 52 |
| 2015 | 57 | 57 |
| 2016 | 47 | 52 |
| 2017 | 55 | 32 |
| 2018 | 35 | 46 |
| 2019 | 48 | 56 |
| 2020 | 36 | 43 |
| 2021 | 40 | 43 |
| 2022 | 39 | 44 |
| 2023 | 31 | 34 |
| 2024 | 23 | 36 |
| 2025 | 32 | 32 |
| 2026 | 26 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Time-of-flight measurement on user with cameras and position sensor6 Oct 2026US 12,751,628 B2Omni Medsci, Inc.
- Differential frequency generation29 Sep 2026US 12,749,866 B2The United States of America as represented by the Secretary of the Air Force
- Optical pointing and tracking system8 Sep 2026US 12,730,350 B2Israel Aerospace Industries Ltd.
- Remote sensing system with time-of-flight sensor, active illuminator and light sensing system1 Sep 2026US 12,721,527 B2Omni Medsci, Inc.
- Optical fiber based optical radiation modulation device1 Sep 2026US 12,725,997 B2City University of Hong Kong
- Indirect optical pumping with stimulated raman scattering27 Aug 2026US 2026/0254191 A1The Government of the United States of America, as represented by the Secretary of the Navy
- Method and apparatus for controllably de-energizing amplifier in high power narrow linewidth fiber laser systems20 Aug 2026US 2026/0246222 A1Ipg Photonics Corporation
- Raman-boosted pulse-pumped optical amplifiers20 Aug 2026US 2026/0246225 A1Raytheon Company
- Smart glasses with multi-modal generative artifical intelligence assistant30 Jul 2026US 2026/0215689 A1Omni Medsci, Inc.
- Raman Gain Measurements in Dynamically Controlled Optical Line Systems16 Jul 2026US 2026/0205194 A1Ciena Corporation
Most cited
By later US patents
- Optical fiber laser or amplifier including high reflectivity gratings237US 5,323,404 AAT&T Bell Laboratories · 1994
- Modular, high energy, widely-tunable ultrafast fiber source230US 6,885,683 B1Imra America, Inc. · 2005
- System and method for voice control of medical devices222US 7,259,906 B1Cheetah Omni, LLC · 2007
- Apparatus and method for delivery of dispersion-compensated ultrashort optical pulses with high peak power220US 6,249,630 B1Imra America, Inc. · 2001
- High power fiber gain media system achieved through power scaling via multiplexing216US 6,212,310 B1SDL, Inc. · 2001