H01S 5/24
Having a grooved structure
Official title: having a grooved structure, e.g. V-grooved {, crescent active layer in groove, VSIS laser}
H01S5/24 (Having a grooved structure) appears on 122 US grants and 49 published applications in this corpus.
Search patents in H01S- Granted patents
- 122
- Published applications
- 49
- Assignees
- 56
- Inventors
- 237
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 7 | 0 |
| 1986 | 5 | 0 |
| 1987 | 11 | 0 |
| 1988 | 16 | 0 |
| 1989 | 10 | 0 |
| 1990 | 12 | 0 |
| 1991 | 13 | 0 |
| 1992 | 7 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 2 |
| 2008 | 1 | 2 |
| 2009 | 0 | 2 |
| 2010 | 1 | 3 |
| 2011 | 1 | 2 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 1 | 1 |
| 2017 | 3 | 7 |
| 2018 | 3 | 3 |
| 2019 | 7 | 4 |
| 2020 | 2 | 1 |
| 2021 | 2 | 3 |
| 2022 | 1 | 1 |
| 2023 | 0 | 2 |
| 2024 | 1 | 4 |
| 2025 | 0 | 2 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Semiconductor laser and production method for a semiconductor laser11 Jun 2024US 12,009,632 B2OSRAM Opto Semiconductors GmbH
- Semiconductor laser and atomic oscillator25 Jan 2022US 11,233,376 B2Seiko Epson Corporation
- Sector-shaped closely-packed laser20 Jul 2021US 11,070,022 B1BWT Beijing Ltd.
- Semiconductor laser device, manufacturing method thereof, and light emitting device4 May 2021US 10,998,695 B2Sharp Kabushiki Kaisha
- Optical Device20 Aug 2026US 2026/0246237 A1NTT, Inc.
- Semiconductor laser element18 Jun 2026US 2026/0171749 A1Rohm Co., Ltd.
- Semiconductor laser with interrupted grooves11 Jun 2026US 2026/0163333 A1Excelitas Canada, Inc.
- Optical integrated device and method for manufacturing optical integrated device7 May 2026US 2026/0128570 A1Mitsubishi Electric Corporation
- Semiconductor laser device20 Nov 2025US 2025/0357730 A1Ushio Denki Kabushiki Kaisha
Most cited
By later US patents
- Semiconductor devices employing Fe-doped MOCVD InP-based layer for current confinement47US 4,660,208 AAmerican Telephone and Telegraph Company, AT&T Bell Laboratories · 1987
- Semiconductor light emitting element and method for fabricating the same40US 5,787,104 AMatsushita Electric Industrial Co., Ltd. · 1998
- Buried-heterostructure diode injection laser35US 3,978,428 AXerox Corporation · 1976
- Semiconductor devices employing high resistivity in-based compound group III-IV epitaxial layer for current confinement33US 4,888,624 AAmerican Telephone and Telegraph Company, AT&T Bell Laboratories · 1989
- Light-emitter-based devices with lattice-mismatched semiconductor structures33US 8,502,263 B2Taiwan Semiconductor Manufacturing Company.Ltd · 2013