H01S 5/30
Structure or shape of the active region
Official title: Structure or shape of the active region; Materials used for the active region
H01S5/30 (Structure or shape of the active region) appears on 8,372 US grants and 8,030 published applications in this corpus.
Search patents in H01S- Granted patents
- 8,372
- Published applications
- 8,030
- Assignees
- 1,480
- Inventors
- 9,678
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 9 | 0 |
| 1978 | 5 | 0 |
| 1979 | 6 | 0 |
| 1980 | 9 | 0 |
| 1981 | 10 | 0 |
| 1982 | 10 | 0 |
| 1983 | 10 | 0 |
| 1984 | 13 | 0 |
| 1985 | 8 | 0 |
| 1986 | 24 | 0 |
| 1987 | 31 | 0 |
| 1988 | 58 | 0 |
| 1989 | 72 | 0 |
| 1990 | 59 | 0 |
| 1991 | 92 | 0 |
| 1992 | 81 | 0 |
| 1993 | 103 | 0 |
| 1994 | 138 | 0 |
| 1995 | 129 | 0 |
| 1996 | 152 | 0 |
| 1997 | 118 | 0 |
| 1998 | 209 | 0 |
| 1999 | 181 | 0 |
| 2000 | 142 | 0 |
| 2001 | 145 | 79 |
| 2002 | 174 | 265 |
| 2003 | 259 | 323 |
| 2004 | 287 | 350 |
| 2005 | 252 | 428 |
| 2006 | 279 | 328 |
| 2007 | 198 | 359 |
| 2008 | 214 | 374 |
| 2009 | 281 | 348 |
| 2010 | 386 | 366 |
| 2011 | 297 | 340 |
| 2012 | 277 | 288 |
| 2013 | 265 | 272 |
| 2014 | 290 | 248 |
| 2015 | 305 | 309 |
| 2016 | 279 | 255 |
| 2017 | 269 | 290 |
| 2018 | 266 | 304 |
| 2019 | 324 | 314 |
| 2020 | 274 | 396 |
| 2021 | 273 | 387 |
| 2022 | 238 | 345 |
| 2023 | 253 | 327 |
| 2024 | 240 | 311 |
| 2025 | 212 | 247 |
| 2026 | 160 | 177 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H01S 5/34Comprising quantum well or superlattice structures5,441
- H01S 5/32Comprising pn junctions3,986
- H01S 5/305Characterised by the doping materials used in the laser structure1,365
- H01S 5/3013Aiiibv compounds385
- H01S 5/36Comprising organic materials138
- H01S 5/3027Iv compounds73
- H01S 5/3018Aiibvi compounds21
- H01S 5/3004Employing a field effect structure for inducing charge-carriers18
All 9 subgroupsShow fewer
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By later US patents
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