H01S 5/06251
Amplitude modulation
Official title: {Amplitude modulation}
H01S5/06251 (Amplitude modulation) appears on 82 US grants and 73 published applications in this corpus.
Search patents in H01S- Granted patents
- 82
- Published applications
- 73
- Assignees
- 61
- Inventors
- 171
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 2 |
| 2003 | 9 | 2 |
| 2004 | 3 | 4 |
| 2005 | 3 | 1 |
| 2006 | 2 | 1 |
| 2007 | 0 | 2 |
| 2008 | 0 | 4 |
| 2009 | 6 | 3 |
| 2010 | 1 | 3 |
| 2011 | 6 | 4 |
| 2012 | 1 | 3 |
| 2013 | 3 | 2 |
| 2014 | 3 | 5 |
| 2015 | 8 | 1 |
| 2016 | 4 | 5 |
| 2017 | 6 | 2 |
| 2018 | 3 | 2 |
| 2019 | 4 | 5 |
| 2020 | 3 | 3 |
| 2021 | 4 | 2 |
| 2022 | 0 | 6 |
| 2023 | 3 | 4 |
| 2024 | 4 | 4 |
| 2025 | 3 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Two-segment DBR laser and monolithically integrated array light source chip7 Apr 2026US 12,597,758 B2Huawei Technologies Co., Ltd.
- Multi-octave spanning millimeter wave source with phase memory30 Sep 2025US 12,431,687 B2Raytheon Company
- Optical semiconductor module3 Jun 2025US 12,322,925 B2Sumitomo Electric Industries, Ltd.
- Spot-size converter25 Mar 2025US 12,259,561 B2II-Vi Delaware, Inc.
- Semiconductor lasers with improved frequency modulation response16 Jul 2024US 12,040,597 B2Teraxion Inc.
- Systems for emitting uncooled light20 Aug 2026US 2026/0247491 A1Almae Technologies
- Two-dimensional photonic crystal laser13 Aug 2026US 2026/0237965 A1Kyoto University
- Optical frequency comb device and measurement device18 Sep 2025US 2025/0291211 A1Imec Vzw
- Laser apparatus7 Nov 2024US 2024/0372322 A1Lutronic Corporation
- Semiconductor lasers with improved frequency modulation response24 Oct 2024US 2024/0356305 A1Teraxion Inc.
Most cited
By later US patents
- Method and system for providing bidirectional light sources with broad spectrum140US 8,451,876 B1Soraa, Inc. · 2013
- Integrated opto-electronic wavelength converter assembly62US 6,580,739 B1Agility Communications, Inc. · 2003
- Method for converting an optical wavelength using a monolithic wavelength converter assembly47US 6,349,106 B1Agility Communications, Inc. · 2002
- Integrated multi-wavelength and wideband lasers46US 6,628,686 B1Fox-Tek, Inc. · 2003
- Two section blue laser diode with reduced output power droop44US 6,526,083 B1Xerox Corporation · 2003