H01S 5/227
Buried mesa structure
Official title: Buried mesa structure {; Striped active layer}
H01S5/227 (Buried mesa structure) appears on 1,332 US grants and 1,025 published applications in this corpus.
Search patents in H01S- Granted patents
- 1,332
- Published applications
- 1,025
- Assignees
- 319
- Inventors
- 1,918
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 5 | 0 |
| 1981 | 2 | 0 |
| 1982 | 5 | 0 |
| 1983 | 4 | 0 |
| 1984 | 12 | 0 |
| 1985 | 7 | 0 |
| 1986 | 9 | 0 |
| 1987 | 24 | 0 |
| 1988 | 26 | 0 |
| 1989 | 36 | 0 |
| 1990 | 35 | 0 |
| 1991 | 20 | 0 |
| 1992 | 28 | 0 |
| 1993 | 31 | 0 |
| 1994 | 36 | 0 |
| 1995 | 28 | 0 |
| 1996 | 26 | 0 |
| 1997 | 27 | 0 |
| 1998 | 34 | 0 |
| 1999 | 31 | 0 |
| 2000 | 27 | 0 |
| 2001 | 29 | 14 |
| 2002 | 29 | 59 |
| 2003 | 44 | 58 |
| 2004 | 48 | 55 |
| 2005 | 35 | 76 |
| 2006 | 67 | 43 |
| 2007 | 35 | 47 |
| 2008 | 22 | 36 |
| 2009 | 46 | 44 |
| 2010 | 42 | 39 |
| 2011 | 34 | 28 |
| 2012 | 33 | 25 |
| 2013 | 31 | 31 |
| 2014 | 28 | 20 |
| 2015 | 31 | 31 |
| 2016 | 24 | 31 |
| 2017 | 33 | 38 |
| 2018 | 36 | 40 |
| 2019 | 32 | 31 |
| 2020 | 35 | 26 |
| 2021 | 23 | 51 |
| 2022 | 18 | 46 |
| 2023 | 21 | 52 |
| 2024 | 30 | 39 |
| 2025 | 36 | 36 |
| 2026 | 28 | 29 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Ridge waveguide laser with dielectric current confinement29 Sep 2026US 12,749,872 B2Applied Optoelectronics, Inc.
- Semiconductor optical device with a buried heterostructure (BH) having reduced parasitic capacitance and reduced inter-diffusion15 Sep 2026US 12,738,715 B2Applied Optoelectronics, Inc.
- Multi-section high power semiconductor optical amplifier (SOA) and fabrication method thereof1 Sep 2026US 12,726,003 B2Applied Optoelectronics, Inc.
- Semiconductor laser structure for higher-order mode suppression25 Aug 2026US 12,719,234 B2FreeSpace Photonics, Inc.
- Corrugated buried heterostructure laser and method for fabricating the same25 Aug 2026US 12,719,238 B2National Research Council of Canada
- Lateral grounding structure for frequency noise reduction in laser waveguides8 Oct 2026US 2026/0312362 A1Lumentum Operations LLC
- Semiconductor optical device24 Sep 2026US 2026/0291183 A1Lumentum Japan, Inc.
- Light-emitting semiconductor device, optoelectronic component, projection device and electronic device17 Sep 2026US 2026/0280226 A1ams-OSRAM International GmbH
- Semiconductor optical integrated device and semiconductor optical apparatus10 Sep 2026US 2026/0269562 A1Lumentum Operations LLC
- Semiconductor optical modulator, semiconductor optical integrated device, and semiconductor optical apparatus10 Sep 2026US 2026/0269563 A1Lumentum Operations LLC
Most cited
By later US patents
- Nitride semiconductor element and production method for nitride semiconductor element498US 6,818,465 B2Sony Corporation · 2004
- Growth structures and method for forming laser diodes on {30-31} or off cut gallium and nitrogen containing substrates237US 8,351,478 B2Soraa, Inc. · 2013
- Semiconductor laser device, and method of manufacturing the same236US 7,470,555 B2Nichia Corporation · 2008
- Growth structures and method for forming laser diodes on {20-21} or off cut gallium and nitrogen containing substrates234US 8,355,418 B2Soraa, Inc. · 2013
- Communication control apparatus and method153US 7,158,488 B2Yamaha Corporation · 2007