H01S 5/3054
P-doping
Official title: {p-doping}
H01S5/3054 (P-doping) appears on 648 US grants and 638 published applications in this corpus.
Search patents in H01S- Granted patents
- 648
- Published applications
- 638
- Assignees
- 260
- Inventors
- 1,243
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 5 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 10 | 0 |
| 1994 | 12 | 0 |
| 1995 | 6 | 0 |
| 1996 | 14 | 0 |
| 1997 | 3 | 0 |
| 1998 | 15 | 0 |
| 1999 | 14 | 0 |
| 2000 | 16 | 0 |
| 2001 | 10 | 9 |
| 2002 | 12 | 20 |
| 2003 | 14 | 21 |
| 2004 | 17 | 20 |
| 2005 | 16 | 29 |
| 2006 | 21 | 30 |
| 2007 | 19 | 41 |
| 2008 | 19 | 40 |
| 2009 | 30 | 33 |
| 2010 | 48 | 38 |
| 2011 | 29 | 27 |
| 2012 | 22 | 29 |
| 2013 | 19 | 18 |
| 2014 | 32 | 17 |
| 2015 | 20 | 26 |
| 2016 | 21 | 16 |
| 2017 | 21 | 18 |
| 2018 | 21 | 21 |
| 2019 | 33 | 25 |
| 2020 | 28 | 37 |
| 2021 | 23 | 29 |
| 2022 | 14 | 22 |
| 2023 | 15 | 15 |
| 2024 | 19 | 26 |
| 2025 | 12 | 22 |
| 2026 | 5 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Semiconductor laser device and method of manufacturing the same28 Jul 2026US 12,695,274 B2Nuvoton Technology Corporation Japan
- Optoelectronic component7 Jul 2026US 12,676,451 B2Centre National De La Recherche Scientifique
- VCSEL with increased wavelength dependence on driving current21 Apr 2026US 12,609,508 B2Trumpf Photonic Components GmbH
- Optical semiconductor device and semiconductor laser device10 Feb 2026US 12,548,983 B2Denso Corporation
- Laser diode20 Jan 2026US 12,531,395 B2Asahi Kasei Kabushiki Kaisha
- Thin quantum barrier with high aluminum content for ultraviolet light emitters17 Sep 2026US 2026/0282604 A1The Regents of the University of California
- Ultraviolet laser diode on a nano-porous aluminum gallium nitride template6 Aug 2026US 2026/0229837 A1The Regents of the University of California
- Surface emitting laser devices and methods for manufacturing same30 Jul 2026US 2026/0221722 A1Vector Photonics Limited
- Semiconductor light emitting element2 Jul 2026US 2026/0188981 A1Nichia Corporation
- Semiconductor laser element and light-emitting device11 Jun 2026US 2026/0163335 A1Quanzhou Sanan Semiconductor Technology Co., Ltd.
Most cited
By later US patents
- Nitride semiconductor device with improved lifetime and high output power273US 6,586,762 B2Nichia Corporation · 2003
- Optical device structure using GaN substrates and growth structures for laser applications184US 8,294,179 B1Soraa, Inc. · 2012
- Surface emitting semiconductor laser117US 4,949,350 ABell Communications Research, Inc. · 1990
- Bipolar transistor with monoatomic base layer between emitter and collector layers105US 5,373,186 AMAX-PLANCK-GESELLSCHAFT zur FOERDERUNG der WISSENSCHAFTEN.e.V · 1994
- Semiconductor devices with at least one monoatomic layer of doping atoms92US 4,882,609 AMax-Planck-Gesellschaft zur Forderung der Wissenschafter e.V. · 1989