H01S 5/18333
Only above the active layer
Official title: {only above the active layer}
H01S5/18333 (Only above the active layer) appears on 167 US grants and 174 published applications in this corpus.
Search patents in H01S- Granted patents
- 167
- Published applications
- 174
- Assignees
- 97
- Inventors
- 301
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 7 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 2 |
| 2002 | 4 | 10 |
| 2003 | 15 | 11 |
| 2004 | 9 | 8 |
| 2005 | 5 | 10 |
| 2006 | 8 | 3 |
| 2007 | 5 | 3 |
| 2008 | 5 | 5 |
| 2009 | 5 | 4 |
| 2010 | 5 | 5 |
| 2011 | 8 | 4 |
| 2012 | 4 | 6 |
| 2013 | 0 | 5 |
| 2014 | 5 | 1 |
| 2015 | 4 | 6 |
| 2016 | 6 | 5 |
| 2017 | 2 | 1 |
| 2018 | 7 | 9 |
| 2019 | 10 | 15 |
| 2020 | 9 | 9 |
| 2021 | 5 | 10 |
| 2022 | 4 | 12 |
| 2023 | 5 | 7 |
| 2024 | 6 | 9 |
| 2025 | 3 | 5 |
| 2026 | 2 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- VCSEL with self-aligned microlens to improve beam divergence5 May 2026US 12,620,779 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Vertical-cavity surface-emitting laser (VCSEL) having separate electrical and optical confinement31 Mar 2026US 12,592,544 B2Mellanox Technologies, Ltd.
- Vertical cavity surface emitting laser18 Nov 2025US 12,476,437 B2Sumitomo Electric Industries, Ltd.
- Vertical-cavity surface-emitting semiconductor laser diode with the mode filter23 Sep 2025US 12,424,824 B2Visual Photonics Expitaxy Co., Ltd
- Fabricating semiconductor devices, such as VCSELs, with an oxide confinement layer17 Jun 2025US 12,334,711 B2Mellanox Technologies, Ltd.
- A vcsel with self-aligned microlens to improve beam divergence13 Aug 2026US 2026/0237971 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Surface emitting laser device and manufacturing method thereof18 Jun 2026US 2026/0171756 A1Hon Hai Precision Industry Co., Ltd.
- Vertical-cavity surface-emitting laser having grating structure30 Apr 2026US 2026/0121381 A1Hlj Technology Co., Ltd.
- Radiation emitter and method of fabricating radiation emitters19 Mar 2026US 2026/0081402 A1Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences
- Graded Metal-Oxide Layers in Vertical Cavity Surface-Emitting Laser5 Mar 2026US 2026/0066618 A1II-Vi Delaware, Inc.
Most cited
By later US patents
- Metal spatial filter to enhance model reflectivity in a vertical cavity surface emitting laser171US 6,185,241 B2Xerox Corporation · 2001
- Vertical-cavity surface-emitting lasers with intra-cavity structures163US 5,245,622 ABandgap Technology Corporation · 1993
- Unitary lens semiconductor device160US 5,633,527 ASandia Corporation · 1997
- Optical device with low electrical and thermal resistance bragg reflectors134US 5,568,499 ASandia Corporation · 1996
- Conductive element with lateral oxidation barrier115US 5,719,891 APicolight Incorporated · 1998