H01S 5/1203
Over only a part of the length of the active region
Official title: {over only a part of the length of the active region}
H01S5/1203 (Over only a part of the length of the active region) appears on 123 US grants and 140 published applications in this corpus.
Search patents in H01S- Granted patents
- 123
- Published applications
- 140
- Assignees
- 74
- Inventors
- 263
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 6 |
| 2003 | 6 | 19 |
| 2004 | 14 | 11 |
| 2005 | 4 | 10 |
| 2006 | 10 | 3 |
| 2007 | 3 | 3 |
| 2008 | 4 | 6 |
| 2009 | 5 | 8 |
| 2010 | 6 | 1 |
| 2011 | 3 | 4 |
| 2012 | 1 | 4 |
| 2013 | 5 | 5 |
| 2014 | 2 | 5 |
| 2015 | 10 | 8 |
| 2016 | 4 | 5 |
| 2017 | 5 | 3 |
| 2018 | 6 | 7 |
| 2019 | 9 | 8 |
| 2020 | 6 | 2 |
| 2021 | 2 | 3 |
| 2022 | 2 | 3 |
| 2023 | 1 | 4 |
| 2024 | 0 | 5 |
| 2025 | 7 | 3 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Semiconductor laser element and method of manufacturing same12 Feb 2026US 2026/0045762 A1Sumitomo Electric Device Innovations, Inc.
- Manufacturable gallium and nitrogen containing single frequency laser diode12 Feb 2026US 2026/0047178 A1KYOCERA SLD Laser, Inc.
- Mid-infrared emitting quantum cascade laser4 Dec 2025US 2025/0372949 A1Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Semiconductor laser element10 Apr 2025US 2025/0118947 A1Nichia Corporation
Most cited
By later US patents
- Angled distributed reflector optical device with enhanced light confinement65US 6,122,299 ASDL, Inc. · 2000
- Semiconductor laser device32US 4,751,710 ANEC Corporation · 1988
- Compound semiconductor device and fabrication method of producing the compound semiconductor device26US 5,701,325 ACanon Kabushiki Kaisha · 1997
- Optical device capable of switching output intensity of light of predetermined polarized wave, optical transmitter using the device, network using the transmitter, and method of driving optical device25US 6,031,860 ACanon Kabushiki Kaisha · 2000
- Surface-emitting photonic crystal distributed feedback laser systems and methods25US 6,826,223 B1The United States of America as represented by the Secretary of the Navy · 2004