H01S 5/2222
Having special electric properties
Official title: {having special electric properties}
H01S5/2222 (Having special electric properties) appears on 592 US grants and 590 published applications in this corpus.
Search patents in H01S- Granted patents
- 592
- Published applications
- 590
- Assignees
- 189
- Inventors
- 1,017
- Latest grant
- 1 Sep 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 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 10 | 0 |
| 1994 | 10 | 0 |
| 1995 | 8 | 0 |
| 1996 | 10 | 0 |
| 1997 | 7 | 0 |
| 1998 | 12 | 0 |
| 1999 | 11 | 0 |
| 2000 | 9 | 0 |
| 2001 | 8 | 12 |
| 2002 | 15 | 16 |
| 2003 | 17 | 25 |
| 2004 | 23 | 27 |
| 2005 | 19 | 43 |
| 2006 | 38 | 19 |
| 2007 | 13 | 33 |
| 2008 | 17 | 28 |
| 2009 | 26 | 20 |
| 2010 | 23 | 18 |
| 2011 | 10 | 14 |
| 2012 | 16 | 20 |
| 2013 | 15 | 21 |
| 2014 | 21 | 12 |
| 2015 | 27 | 25 |
| 2016 | 15 | 14 |
| 2017 | 18 | 21 |
| 2018 | 21 | 30 |
| 2019 | 27 | 22 |
| 2020 | 21 | 26 |
| 2021 | 19 | 37 |
| 2022 | 17 | 25 |
| 2023 | 11 | 33 |
| 2024 | 19 | 24 |
| 2025 | 25 | 10 |
| 2026 | 20 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Optoelectronic device comprising a III-V semiconductor membrane laser source forming a lateral p-i-n junction1 Sep 2026US 12,726,001 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Semiconductor laser structure for higher-order mode suppression25 Aug 2026US 12,719,234 B2FreeSpace Photonics, Inc.
- Corrugated buried heterostructure laser and method for fabricating the same25 Aug 2026US 12,719,238 B2National Research Council of Canada
- Optical semiconductor device and method for producing same11 Aug 2026US 12,706,444 B2Mitsubishi Electric Corporation
- Quantum cascade laser element and quantum cascade laser device4 Aug 2026US 12,700,712 B2Hamamatsu Photonics K.K.
- Heterogeneous lasers with facets optimized for high power3 Sep 2026US 2026/0261096 A1
- Buried type optical semiconductor device30 Jul 2026US 2026/0221727 A1Lumentum Operations LLC
- Optical semiconductor device16 Jul 2026US 2026/0204876 A1Lumentum Operations LLC
- Electro-absorption modulated laser (eml) device with flared modulator9 Jul 2026US 2026/0196802 A1Applied Optoelectronics, Inc.
- Method for manufacturing semiconductor device28 May 2026US 2026/0149235 A1Mitsubishi Electric Corporation
Most cited
By later US patents
- Vertical-cavity surface-emitting lasers with intra-cavity structures163US 5,245,622 ABandgap Technology Corporation · 1993
- Nitride compound semiconductor light emitting device139US 6,242,761 B1Kabushiki Kaisha Toshiba · 2001
- Semiconductor light-emitting device and method for manufacturing the same136US 7,132,691 B1Rohm Co., Ltd. · 2006
- Optical semiconductor device73US 5,825,047 ANEC Corporation · 1998
- Epitaxial lateral overgrowth of gallium nitride based semiconductive oxide selective growth mask and method for fabricating the same69US 6,320,209 B1Sharp Kabushiki Kaisha · 2001