H01S 5/3223
Iv compounds
Official title: {IV compounds}
H01S5/3223 (Iv compounds) appears on 91 US grants and 73 published applications in this corpus.
Search patents in H01S- Granted patents
- 91
- Published applications
- 73
- Assignees
- 63
- Inventors
- 223
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 1 |
| 2003 | 3 | 1 |
| 2004 | 3 | 4 |
| 2005 | 0 | 1 |
| 2006 | 0 | 2 |
| 2007 | 0 | 4 |
| 2008 | 3 | 3 |
| 2009 | 4 | 4 |
| 2010 | 3 | 3 |
| 2011 | 3 | 2 |
| 2012 | 0 | 1 |
| 2013 | 4 | 1 |
| 2014 | 4 | 6 |
| 2015 | 5 | 7 |
| 2016 | 7 | 3 |
| 2017 | 4 | 3 |
| 2018 | 3 | 4 |
| 2019 | 4 | 3 |
| 2020 | 4 | 5 |
| 2021 | 1 | 3 |
| 2022 | 5 | 5 |
| 2023 | 3 | 2 |
| 2024 | 4 | 1 |
| 2025 | 0 | 3 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Germanium-on-silicon laser in CMOS technology13 Jan 2026US 12,525,771 B2STMicorelectronics (Crolles 2) SAS
- Systems and methods for optical full-field transmission using photonic integration29 Oct 2024US 12,132,522 B1Cable Television Laboratories, Inc.
- Cladding glass for solid-state lasers6 Aug 2024US 12,057,679 B2Schott AG
- Optoelectronic device comprising a semiconductor layer based on GeSn having a single-crystal portion with a direct band structure and an underlying barrier region16 Jul 2024US 12,040,595 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Semiconductor devices for lasing applications and methods of manufacturing such devices23 Apr 2024US 11,967,801 B2NanoPro AB
- Tensile strained semiconductor photon emission and detection devices and integrated photonics system22 May 2025US 2025/0167523 A1Acorn Semi, LLC
- Tensile strained semiconductor photon emission and detection devices and integrated photonics system15 May 2025US 2025/0158362 A1Acorn Semi, LLC
- Photoconductive switch laser diode driver3 Apr 2025US 2025/0112440 A1
- Optical device, method of forming the same, and method of controlling the same22 Feb 2024US 2024/0063605 A1
- Tensile strained semiconductor photon emission and detection devices and integrated photonics system26 Oct 2023US 2023/0344200 A1Acorn Semi, LLC
Most cited
By later US patents
- Modified wurtzite structure oxide compounds as substrates for III-V nitride compound semiconductor epitaxial thin film growth216US 5,625,202 AUniversity of Central Florida · 1997
- Low-strain laser structures with group III nitride active layers174US 5,592,501 ACree Research, Inc. · 1997
- Low-strain laser structures with group III nitride active layers96US 5,838,706 ACree Research, Inc. · 1998
- Semiconductor laser, semiconductor device, and their manufacture methods79US 6,606,335 B1Fujitsu Limited · 2003
- Phonon resonator and method for its production72US 5,917,195 AB.A. Painter, III · 1999