H01S 5/2218
Having special optical properties
Official title: {having special optical properties}
H01S5/2218 (Having special optical properties) appears on 289 US grants and 237 published applications in this corpus.
Search patents in H01S- Granted patents
- 289
- Published applications
- 237
- Assignees
- 128
- Inventors
- 593
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 2 | 0 |
| 1996 | 7 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 10 | 0 |
| 2000 | 9 | 0 |
| 2001 | 8 | 12 |
| 2002 | 12 | 11 |
| 2003 | 21 | 19 |
| 2004 | 16 | 20 |
| 2005 | 22 | 17 |
| 2006 | 13 | 8 |
| 2007 | 5 | 9 |
| 2008 | 12 | 9 |
| 2009 | 10 | 14 |
| 2010 | 7 | 7 |
| 2011 | 5 | 6 |
| 2012 | 5 | 3 |
| 2013 | 7 | 9 |
| 2014 | 5 | 8 |
| 2015 | 14 | 7 |
| 2016 | 4 | 6 |
| 2017 | 7 | 8 |
| 2018 | 7 | 4 |
| 2019 | 10 | 8 |
| 2020 | 9 | 9 |
| 2021 | 7 | 13 |
| 2022 | 7 | 5 |
| 2023 | 6 | 11 |
| 2024 | 11 | 8 |
| 2025 | 8 | 3 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Semiconductor laser device8 Sep 2026US 12,731,963 B2Mitsubishi Electric Corporation
- Semiconductor waveguide optical gain device with lateral current confinement31 Mar 2026US 12,592,546 B1HieFo Corporation
- Optical semiconductor chip3 Mar 2026US 12,567,719 B2NTT, Inc.
- Semiconductor laser device3 Feb 2026US 12,542,426 B2Mitsubishi Electric Corporation
- Laser diode and method for manufacturing the same23 Dec 2025US 12,506,324 B2Quanzhou Sanan Semiconductor Technology Co., Ltd.
- Light emitting structure of edge emitting semiconductor, and method for manufacturing same2 Jul 2026US 2026/0188979 A1Everbright Institute of Semiconductor Photonics Co., Ltd.
- Optical element and manufacturing method having a reverse mesa ridge structure11 Jun 2026US 2026/0163330 A1
- Patterned embedding on narrow stripe single mode transverse lasers11 Jun 2026US 2026/0163334 A1II-Vi Delaware, Inc.
- Light source comprising a resonant cavity with distributed feedback and method for manufacturing a such light source19 Jun 2025US 2025/0202197 A1
- Semiconductor light-emitting element6 Mar 2025US 2025/0079792 A1Hamamatsu Photonics K.K.
Most cited
By later US patents
- Method of manufacture for an ultraviolet laser diode116US 9,246,311 B1Soraa Laser Diode, Inc. · 2016
- Semiconductor laser using gallium nitride series compound semiconductor76US 6,252,894 B1Kabushiki Kaisha Toshiba · 2001
- Semiconductor laser and method of fabricating same67US 6,031,858 AKabushiki Kaisha Toshiba · 2000
- Semiconductor laser device56US 4,961,197 AHitachi, Ltd. · 1990
- Surface-emitting light emitting device49US 4,660,207 ANorthern Telecom Limited · 1987