H01S 5/2238
With a terraced structure
Official title: {with a terraced structure}
H01S5/2238 (With a terraced structure) appears on 51 US grants and 15 published applications in this corpus.
Search patents in H01S- Granted patents
- 51
- Published applications
- 15
- Assignees
- 26
- Inventors
- 102
- Latest grant
- 6 Jul 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 2 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 3 |
| 2003 | 1 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 2 | 1 |
| 2019 | 0 | 2 |
| 2020 | 1 | 1 |
| 2021 | 2 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical semiconductor element and method of manufacturing the same6 Jul 2021US 11,056,341 B2Sumitomo Electric Industries, Ltd.
- Nitride semiconductor light-emitting device16 Feb 2021US 10,923,882 B2Ushio Denki Kabushiki Kaisha
- Semiconductor laser element7 Jul 2020US 10,707,651 B2Sharp Kabushiki Kaisha
- Laser diode and method of manufacturing laser diode4 Sep 2018US 10,069,281 B2Mitsubishi Electric Corporation
- Laser diode and method of manufacturing laser diode20 Mar 2018US 9,923,336 B2Mitsubishi Electric Corporation
- Light-emitting diode and light-emitting device16 Apr 2026US 2026/0106436 A1Quanzhou Sanan Semiconductor Technology Co., Ltd.
- Self-aligned buried hetero structure laser structures and interposer1 May 2025US 2025/0138260 A1POET Technologies, Inc.
- Optical semiconductor device20 Mar 2025US 2025/0096532 A1NeoPhotonics Corporation
- Self-aligned buried hetero structure laser structures and interposer17 Aug 2023US 2023/0258884 A1POET Technologies, Inc.
- Optical semiconductor element and method of manufacturing the same26 Mar 2020US 2020/0098567 A1Sumitomo Electric Industries, Ltd.
Most cited
By later US patents
- Semiconductor light-emitting device with compound semiconductor layer55US 5,488,233 AKabushiki Kaisha Toshiba · 1996
- Method of making a semiconductor device utilizing crystal orientation dependence of impurity concentration36US 5,668,048 AFujitsu Limited · 1997
- Semiconductor laser having a lateral p-n junction utilizing inclined surface and method of manufacturing same24US 4,932,033 ACanon Kabushiki Kaisha · 1990
- Method of growing epitaxial layers18US 5,476,811 AFujitsu Limited · 1995
- Method of manufacturing a stripe-shaped heterojunction laser with unique current confinement16US 4,839,307 AOmron Tateisi Electronics Co. · 1989