H01S 5/06258
With dfb-structure
Official title: {with DFB-structure}
H01S5/06258 (With dfb-structure) appears on 361 US grants and 307 published applications in this corpus.
Search patents in H01S- Granted patents
- 361
- Published applications
- 307
- Assignees
- 112
- Inventors
- 540
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 6 | 0 |
| 1989 | 10 | 0 |
| 1990 | 6 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 6 | 0 |
| 1994 | 6 | 0 |
| 1995 | 4 | 0 |
| 1996 | 7 | 0 |
| 1997 | 8 | 0 |
| 1998 | 10 | 0 |
| 1999 | 6 | 0 |
| 2000 | 10 | 0 |
| 2001 | 9 | 1 |
| 2002 | 5 | 6 |
| 2003 | 7 | 21 |
| 2004 | 7 | 15 |
| 2005 | 8 | 27 |
| 2006 | 26 | 9 |
| 2007 | 8 | 13 |
| 2008 | 10 | 6 |
| 2009 | 14 | 12 |
| 2010 | 11 | 12 |
| 2011 | 11 | 11 |
| 2012 | 13 | 7 |
| 2013 | 6 | 11 |
| 2014 | 9 | 6 |
| 2015 | 9 | 20 |
| 2016 | 14 | 16 |
| 2017 | 17 | 12 |
| 2018 | 15 | 13 |
| 2019 | 11 | 9 |
| 2020 | 12 | 16 |
| 2021 | 12 | 22 |
| 2022 | 8 | 11 |
| 2023 | 9 | 7 |
| 2024 | 7 | 7 |
| 2025 | 8 | 11 |
| 2026 | 6 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical signal transmitter30 Jun 2026US 12,671,229 B2NTT, Inc.
- Bandwith enhanced DFB+R lite laser23 Jun 2026US 12,665,387 B2II-Vi Delaware, Inc.
- Semiconductor laser element, semiconductor laser device, semiconductor laser device manufacturing method, and gas analysis device26 May 2026US 12,640,538 B2Horiba, Ltd.
- Two-segment DBR laser and monolithically integrated array light source chip7 Apr 2026US 12,597,758 B2Huawei Technologies Co., Ltd.
- Semiconductor laser for preventing hole burning effect10 Mar 2026US 12,573,815 B2Lumentum Japan, Inc.
- Laser device1 Oct 2026US 2026/0302727 A1Nichia Corporation
- Sampled grating distributed bragg reflector laser diode with distributed microheaters25 Jun 2026US 2026/0180285 A1Electronics and Telecommunications Research Institute
- Multiple Electrode Distributed Feedback Laser Array19 Feb 2026US 2026/0051717 A1Cspeed Inc.
- Semiconductor laser element and method of manufacturing same12 Feb 2026US 2026/0045762 A1Sumitomo Electric Device Innovations, Inc.
- Distributed reflector laser12 Feb 2026US 2026/0045767 A1
Most cited
By later US patents
- Integrated semiconductor light emitting element with oscillation wavelength and phase modulated light output120US 4,720,835 AKokusai Denshin Denwa Kabushiki Kaisha · 1988
- Transmitter photonic integrated circuit (TxPIC) chips78US 7,885,492 B2Infinera Corporation · 2011
- Optical transmission apparatus74US 5,642,371 AKabushiki Kaisha Toshiba · 1997
- Oscillation polarization mode selective semiconductor laser, light source apparatus and optical communication system using the laser69US 5,586,131 ACanon Kabushiki Kaisha · 1996
- Distributed reflector and wavelength-tunable semiconductor laser66US 5,325,392 ANippon Telegraph and Telephone Corporation · 1994