H01S 5/1246
Plurality of phase shifts
Official title: {plurality of phase shifts}
H01S5/1246 (Plurality of phase shifts) appears on 41 US grants and 48 published applications in this corpus.
Search patents in H01S- Granted patents
- 41
- Published applications
- 48
- Assignees
- 41
- Inventors
- 98
- Latest grant
- 23 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 1 |
| 2004 | 2 | 6 |
| 2005 | 0 | 0 |
| 2006 | 2 | 0 |
| 2007 | 2 | 2 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 1 | 2 |
| 2014 | 1 | 4 |
| 2015 | 2 | 5 |
| 2016 | 3 | 1 |
| 2017 | 2 | 2 |
| 2018 | 1 | 3 |
| 2019 | 2 | 4 |
| 2020 | 4 | 0 |
| 2021 | 1 | 5 |
| 2022 | 3 | 4 |
| 2023 | 1 | 1 |
| 2024 | 2 | 2 |
| 2025 | 3 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Synthesized aperiodic gratings and method of manufacture24 Dec 2024US 12,174,370 B2National Research Council of Canada
- Optical phase locked loops for generating highly-linear frequency chirps9 Jul 2024US 12,034,268 B2JASR Systems, LLC
- Vernier-tuned distributed bragg reflector laser24 Sep 2026US 2026/0291180 A1Lumentum Operations LLC
- Dual-wavelength light source6 Aug 2026US 2026/0229845 A1Nokia Solutions and Networks Oy
- Multi-wavelength distributed feedback laser4 Dec 2025US 2025/0372950 A1Intel Corporation
- High-power, single-spatial-mode quantum cascade lasers21 Mar 2024US 2024/0097404 A1Wisconsin Alumni Research Foundation
- Bandwith enhanced dfb+r lite laser8 Feb 2024US 2024/0047939 A1II-Vi Delaware, Inc.
Most cited
By later US patents
- Multi-wavelength optical reflector24US 6,345,135 B12002
- Distributed feedback semiconductor laser20US 6,175,581 B1NEC Corporation · 2001
- Phase-shift distributed-feedback semiconductor laser14US 4,847,856 ANippon Telegraph and Telephone Corporation · 1989
- Wavelength tunable semiconductor laser having two difractive grating areas10US 8,588,266 B2Eudyna Devices Inc. · 2013
- Integrated high-power tunable laser with adjustable outputs9US 9,559,487 B2Acacia Communications, Inc. · 2017