H01S 5/04252
Characterised by the material
Official title: {characterised by the material}
H01S5/04252 (Characterised by the material) appears on 790 US grants and 962 published applications in this corpus.
Search patents in H01S- Granted patents
- 790
- Published applications
- 962
- Assignees
- 279
- Inventors
- 1,655
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 6 | 0 |
| 1997 | 10 | 0 |
| 1998 | 11 | 0 |
| 1999 | 11 | 0 |
| 2000 | 13 | 0 |
| 2001 | 13 | 2 |
| 2002 | 10 | 18 |
| 2003 | 16 | 18 |
| 2004 | 16 | 26 |
| 2005 | 18 | 36 |
| 2006 | 23 | 23 |
| 2007 | 16 | 22 |
| 2008 | 12 | 41 |
| 2009 | 25 | 29 |
| 2010 | 32 | 35 |
| 2011 | 28 | 21 |
| 2012 | 21 | 32 |
| 2013 | 23 | 19 |
| 2014 | 20 | 17 |
| 2015 | 21 | 36 |
| 2016 | 32 | 16 |
| 2017 | 25 | 37 |
| 2018 | 27 | 35 |
| 2019 | 37 | 38 |
| 2020 | 42 | 71 |
| 2021 | 40 | 87 |
| 2022 | 45 | 74 |
| 2023 | 38 | 75 |
| 2024 | 59 | 49 |
| 2025 | 41 | 52 |
| 2026 | 33 | 53 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Photonic crystal surface light-emitting laser element6 Oct 2026US 12,756,157 B2Kyoto University
- Light emitting element29 Sep 2026US 12,749,868 B2Sony Group Corporation
- Nitride semiconductor laser element25 Aug 2026US 12,719,233 B2Nichia Corporation
- Semiconductor laser structure for higher-order mode suppression25 Aug 2026US 12,719,234 B2FreeSpace Photonics, Inc.
- Quantum cascade element25 Aug 2026US 12,719,239 B2Kabushiki Kaisha Toshiba
- Optical semiconductor device, optical transmission device equipped with optical semiconductor device, and method for manufacturing optical transmission device24 Sep 2026US 2026/0291174 A1Mitsubishi Electric Corporation
- Surface-emitting laser24 Sep 2026US 2026/0291175 A1Kabushiki Kaisha Toshiba
- High speed spatial light modulator17 Sep 2026US 2026/0280232 A1
- Vertical-cavity light-emitting element3 Sep 2026US 2026/0261097 A1Stanley Electric Co., Ltd.
- Optoelectronic semiconductor component20 Aug 2026US 2026/0246233 A1ams-OSRAM International GmbH
Most cited
By later US patents
- Light-emitting semiconductor device462US 5,696,389 AKabushiki Kaisha Toshiba · 1997
- Metal spatial filter to enhance model reflectivity in a vertical cavity surface emitting laser171US 6,185,241 B2Xerox Corporation · 2001
- Semiconductor optical device with nanowhiskers126US 5,332,910 AHitachi, Ltd. · 1994
- Method of manufacturing a nitride semiconductor laser with a plated auxiliary metal substrate126US 6,677,173 B2Pioneer Corporation · 2004
- Hybrid two-dimensional surface-emitting laser arrays121US 4,881,237 AMassachusetts Institute of Technology · 1989