H01S 5/065
Mode locking
Official title: Mode locking; Mode suppression; Mode selection {; Self pulsating}
H01S5/065 (Mode locking) appears on 1,176 US grants and 1,116 published applications in this corpus.
Search patents in H01S- Granted patents
- 1,176
- Published applications
- 1,116
- Assignees
- 548
- Inventors
- 2,470
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 9 | 0 |
| 1990 | 6 | 0 |
| 1991 | 7 | 0 |
| 1992 | 7 | 0 |
| 1993 | 8 | 0 |
| 1994 | 11 | 0 |
| 1995 | 14 | 0 |
| 1996 | 18 | 0 |
| 1997 | 26 | 0 |
| 1998 | 18 | 0 |
| 1999 | 18 | 0 |
| 2000 | 26 | 0 |
| 2001 | 22 | 14 |
| 2002 | 34 | 48 |
| 2003 | 45 | 41 |
| 2004 | 48 | 62 |
| 2005 | 38 | 40 |
| 2006 | 32 | 50 |
| 2007 | 33 | 42 |
| 2008 | 24 | 43 |
| 2009 | 40 | 45 |
| 2010 | 47 | 57 |
| 2011 | 50 | 70 |
| 2012 | 32 | 36 |
| 2013 | 43 | 35 |
| 2014 | 49 | 46 |
| 2015 | 49 | 39 |
| 2016 | 37 | 43 |
| 2017 | 43 | 35 |
| 2018 | 34 | 36 |
| 2019 | 40 | 56 |
| 2020 | 47 | 54 |
| 2021 | 49 | 47 |
| 2022 | 32 | 56 |
| 2023 | 36 | 30 |
| 2024 | 33 | 36 |
| 2025 | 27 | 37 |
| 2026 | 17 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Photonic crystal surface light-emitting laser element6 Oct 2026US 12,756,157 B2Kyoto University
- Electrically tunable optical resonator on a chip for fast tunable integrated lasers25 Aug 2026US 12,717,177 B2Ecole Polytechnique Federale De Lausanne (Epfl)
- Semiconductor laser structure for higher-order mode suppression25 Aug 2026US 12,719,234 B2FreeSpace Photonics, Inc.
- Quantum cascade laser element and quantum cascade laser device4 Aug 2026US 12,700,712 B2Hamamatsu Photonics K.K.
- Inspection method for semiconductor laser device and inspection device for semiconductor laser device21 Jul 2026US 12,689,180 B2Mitsubishi Electric Corporation
- Semiconductor laser with optimized facet coatings24 Sep 2026US 2026/0291171 A1
- Composite substrate and method of producing composite substrate24 Sep 2026US 2026/0291182 A1NGK Corporation
- Composite substrate and method of producing composite substrate17 Sep 2026US 2026/0280222 A1NGK Corporation
- Self-starting figure-9 cavity lasers based on external signal injection27 Aug 2026US 2026/0254196 A1Anhui Huachuang Hongdu Photoelectric Technology Co., Ltd.
- Laser element and electronic device27 Aug 2026US 2026/0254199 A1Sony Group Corporation
Most cited
By later US patents
- Semiconductor laser device, and method of manufacturing the same236US 7,470,555 B2Nichia Corporation · 2008
- Mode locking methods and apparatus228US 7,414,779 B2Massachusetts Institute of Technology · 2008
- Method and system for providing bidirectional light sources with broad spectrum140US 8,451,876 B1Soraa, Inc. · 2013
- Speckle suppressed laser projection system with partial beam reflection135US 6,625,381 B2Eastman Kodak Company · 2003
- Multiwavelength mode-locked dense wavelength division multiplexed optical communication systems132US 6,014,237 ASarnoff Corporation · 2000