H01S 5/11
Comprising a photonic bandgap structure
H01S5/11 (Comprising a photonic bandgap structure) appears on 547 US grants and 677 published applications in this corpus.
Search patents in H01S- Granted patents
- 547
- Published applications
- 677
- Assignees
- 228
- Inventors
- 1,092
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 8 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 2 |
| 2002 | 6 | 8 |
| 2003 | 7 | 13 |
| 2004 | 16 | 26 |
| 2005 | 13 | 23 |
| 2006 | 19 | 25 |
| 2007 | 12 | 28 |
| 2008 | 15 | 35 |
| 2009 | 24 | 39 |
| 2010 | 38 | 30 |
| 2011 | 24 | 17 |
| 2012 | 26 | 27 |
| 2013 | 23 | 13 |
| 2014 | 21 | 16 |
| 2015 | 23 | 17 |
| 2016 | 17 | 20 |
| 2017 | 20 | 24 |
| 2018 | 17 | 14 |
| 2019 | 30 | 30 |
| 2020 | 16 | 34 |
| 2021 | 20 | 35 |
| 2022 | 19 | 35 |
| 2023 | 21 | 44 |
| 2024 | 28 | 38 |
| 2025 | 26 | 40 |
| 2026 | 21 | 44 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Photonic crystal surface light-emitting laser element6 Oct 2026US 12,756,157 B2Kyoto University
- Computer simulation for fabricating a light-emitting device22 Sep 2026US 12,745,494 B2Hon Hai Precision Industry Co., Ltd.
- Electrical contact8 Sep 2026US 12,731,958 B2Vector Photonics Limited
- Quantum cascade element25 Aug 2026US 12,719,239 B2Kabushiki Kaisha Toshiba
- Processing head and laser processing apparatus25 Aug 2026US 12,719,241 B2Seiko Epson Corporation
- Pcsel magnetometer8 Oct 2026US 2026/0309814 A1II-Vi Delaware, Inc.
- Laser irradiation apparatus and laser processing apparatus24 Sep 2026US 2026/0284782 A1Seiko Epson Corporation
- Laser irradiation apparatus and laser processing apparatus24 Sep 2026US 2026/0291167 A1Seiko Epson Corporation
- Light-emitting device24 Sep 2026US 2026/0291173 A1Kabushiki Kaisha Toshiba
- Surface-emitting laser24 Sep 2026US 2026/0291175 A1Kabushiki Kaisha Toshiba
Most cited
By later US patents
- Vertical cavity surface emitting laser device278US 7,483,466 B2Canon Kabushiki Kaisha · 2009
- Mach-Zehnder interferometer using photonic band gap crystals229US 6,917,431 B2Massachusetts Institute of Technology · 2005
- Light emitting devices with improved extraction efficiency193US 6,831,302 B2Luminus Devices, Inc. · 2004
- Semiconductor laser having a structure of photonic bandgap material135US 5,684,817 AThomson-CSF · 1997
- Optoelectronic integrated circuits and method of fabricating and reducing losses using same132US 5,526,449 AMassachusetts Institute of Technology · 1996