H01S 5/2226
Semiconductors with a specific doping
Official title: {semiconductors with a specific doping}
H01S5/2226 (Semiconductors with a specific doping) appears on 129 US grants and 129 published applications in this corpus.
Search patents in H01S- Granted patents
- 129
- Published applications
- 129
- Assignees
- 62
- Inventors
- 301
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 7 | 5 |
| 2002 | 6 | 7 |
| 2003 | 8 | 14 |
| 2004 | 9 | 14 |
| 2005 | 9 | 8 |
| 2006 | 13 | 8 |
| 2007 | 6 | 5 |
| 2008 | 2 | 8 |
| 2009 | 3 | 6 |
| 2010 | 6 | 2 |
| 2011 | 5 | 1 |
| 2012 | 2 | 3 |
| 2013 | 1 | 4 |
| 2014 | 3 | 1 |
| 2015 | 3 | 2 |
| 2016 | 2 | 2 |
| 2017 | 2 | 5 |
| 2018 | 2 | 6 |
| 2019 | 7 | 4 |
| 2020 | 3 | 4 |
| 2021 | 2 | 6 |
| 2022 | 5 | 4 |
| 2023 | 0 | 5 |
| 2024 | 1 | 2 |
| 2025 | 4 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Semiconductor optical device and manufacturing method therefor28 Apr 2026US 12,614,893 B2LumentumRadiant GmbH
- Method for manufacturing optical semiconductor device2 Dec 2025US 12,489,275 B2Mitsubishi Electric Corporation
- Diode laser with current block4 Nov 2025US 12,463,400 B2Ferdinand-Braun-Institut Ggmbh, Leibniz-Institut FüR HöChstfrequenztechnik
- Light-emitting device21 Oct 2025US 12,451,670 B2Sony Semiconductor Solutions Corporation
- Optical semiconductor device and method of manufacturing optical semiconductor device14 Jan 2025US 12,199,409 B2Mitsubishi Electric Corporation
- Semiconductor light-emitting element and method of manufacturing the same12 Feb 2026US 2026/0045772 A1Nuvoton Technology Corporation Japan
- Quantum cascade laser optical frequency comb19 Jun 2025US 2025/0202196 A1Alpes Lasers SA
- Semiconductor device, method for manufacturing semiconductor device, and method for identifying semiconductor device5 Jun 2025US 2025/0183622 A1Mitsubishi Electric Corporation
- Light emitting device and projector28 Nov 2024US 2024/0396305 A1Seiko Epson Corporation
- Optical semiconductor element27 Jun 2024US 2024/0213744 A1Mitsubishi Electric Corporation
Most cited
By later US patents
- Nitride compound semiconductor light emitting device139US 6,242,761 B1Kabushiki Kaisha Toshiba · 2001
- Optical semiconductor device26US 5,717,710 AMitsubishi Denki Kabushiki Kaisha · 1998
- Nitride-based semiconductor light-emitting device and method of fabricating the same25US 6,977,953 B2Sanyo Electric Co., Ltd. · 2005
- Semiconductor laser20US 5,661,743 AMitsubishi Denki Kabushiki Kaisha · 1997
- Semiconductor laser and method for producing the same19US 5,568,501 AMatsushita Electric Industrial Co., Ltd. · 1996