H01S 5/3095
Tunnel junction
Official title: {Tunnel junction}
H01S5/3095 (Tunnel junction) appears on 300 US grants and 436 published applications in this corpus.
Search patents in H01S- Granted patents
- 300
- Published applications
- 436
- Assignees
- 167
- Inventors
- 710
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 3 |
| 2002 | 10 | 10 |
| 2003 | 10 | 15 |
| 2004 | 16 | 11 |
| 2005 | 14 | 20 |
| 2006 | 9 | 17 |
| 2007 | 9 | 16 |
| 2008 | 10 | 15 |
| 2009 | 12 | 17 |
| 2010 | 23 | 16 |
| 2011 | 12 | 9 |
| 2012 | 12 | 8 |
| 2013 | 5 | 3 |
| 2014 | 6 | 4 |
| 2015 | 5 | 3 |
| 2016 | 2 | 3 |
| 2017 | 4 | 6 |
| 2018 | 5 | 7 |
| 2019 | 8 | 12 |
| 2020 | 8 | 25 |
| 2021 | 7 | 25 |
| 2022 | 20 | 28 |
| 2023 | 20 | 33 |
| 2024 | 12 | 61 |
| 2025 | 29 | 42 |
| 2026 | 6 | 27 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Vertical cavity surface emitting laser element and method of producing vertical cavity surface emitting laser element29 Sep 2026US 12,749,871 B2Sony Group Corporation
- Vertical cavity surface emitting laser device and method of producing a vertical cavity surface emitting laser device15 Sep 2026US 12,738,714 B2Sony Group Corporation
- Surface emitting laser16 Jun 2026US 12,658,675 B2Sony Semiconductor Solutions Corporation
- Semiconductor laser device24 Mar 2026US 12,586,981 B2Rohm Co., Ltd.
- Relaxed Wurtzite Ingan layers3 Feb 2026US 12,542,413 B2Opnovix Corp.
- Surface emitting laser and ranging device10 Sep 2026US 2026/0269571 A1Sony Group Corporation
- Vertical cavity light-emitting element20 Aug 2026US 2026/0246236 A1Stanley Electric Co., Ltd.
- Surface emitting laser, method for fabricating surface emitting laser20 Aug 2026US 2026/0246239 A1Sanoh Industrial Co., Ltd.
- Vcsel with tunable grating13 Aug 2026US 2026/0237968 A1Bandwidth10, LTD.
- Hcg tunable vcsel with fully oxidized bottom dbr (gaas based vcsel)13 Aug 2026US 2026/0237969 A1Bandwidth10, LTD.
Most cited
By later US patents
- Blue light-emitting diode with degenerate junction structure297US 5,338,944 ACree Research, Inc. · 1994
- Nitride-based VCSEL or light emitting diode with p-n tunnel junction current injection139US 6,515,308 B1Xerox Corporation · 2003
- Laser diode assembly with tunnel junctions and providing multiple beams111US 5,212,706 AUniversity of Connecticut · 1993
- Long-wavelength infra-red vertical cavity surface-emitting laser on a gallium arsenide substrate90US 5,805,624 AHewlett-Packard Company · 1998
- Method for producing a surface-emitting laser78US 5,416,044 AMatsushita Electric Industrial Co., Ltd. · 1995