H01S 5/1071
Ring-lasers
Official title: {Ring-lasers}
H01S5/1071 (Ring-lasers) appears on 360 US grants and 330 published applications in this corpus.
Search patents in H01S- Granted patents
- 360
- Published applications
- 330
- Assignees
- 204
- Inventors
- 737
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 6 | 0 |
| 1993 | 4 | 0 |
| 1994 | 7 | 0 |
| 1995 | 9 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 7 | 0 |
| 2000 | 3 | 0 |
| 2001 | 8 | 2 |
| 2002 | 7 | 19 |
| 2003 | 15 | 19 |
| 2004 | 13 | 13 |
| 2005 | 15 | 11 |
| 2006 | 8 | 10 |
| 2007 | 8 | 9 |
| 2008 | 7 | 10 |
| 2009 | 13 | 18 |
| 2010 | 18 | 15 |
| 2011 | 5 | 12 |
| 2012 | 11 | 8 |
| 2013 | 10 | 10 |
| 2014 | 17 | 14 |
| 2015 | 15 | 17 |
| 2016 | 11 | 11 |
| 2017 | 12 | 15 |
| 2018 | 11 | 14 |
| 2019 | 14 | 14 |
| 2020 | 19 | 13 |
| 2021 | 13 | 14 |
| 2022 | 8 | 14 |
| 2023 | 12 | 14 |
| 2024 | 9 | 12 |
| 2025 | 9 | 16 |
| 2026 | 6 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Bandwidth enhancement of quantum dot/well hybrid III-V/silicon micro-ring lasers6 Oct 2026US 12,756,158 B2Hewlett Packard Enterprise Development LP
- Micro-ring laser bandwidth enhancement with micro-ring resonator11 Aug 2026US 12,706,441 B2Hewlett Packard Enterprise Development LP
- Laser diode, optical integrated device, and manufacturing method thereof9 Jun 2026US 12,651,888 B2Kyungpook National University Industry-Academic Cooperation Foundation
- External cavity laser with multiple materials micro-ring reflectors10 Feb 2026US 12,548,978 B2Fonex Data Systems Inc.
- Silicon-based tunable filter, tunable laser and optical module3 Feb 2026US 12,542,424 B2InnoLight Technology (Suzhou) Ltd.
- Surface emitting element1 Oct 2026US 2026/0302724 A1Sony Semiconductor Solutions Corporation
- Ultra-wide tunable laser source with multi-band gain media integration27 Aug 2026US 2026/0254202 A1GouMax Technology, Inc.
- Colloidal bulk nanocrystal laser and related method23 Jul 2026US 2026/0213493 A1Imec Vzw
- External Optical Injection Locking Laser25 Jun 2026US 2026/0177756 A1Suzhou Institute of Nano-Tech and Nano-Bionics (Sinano) , Chinese Academy of Sciences
- Tunable laser with channel selector18 Jun 2026US 2026/0171750 A1Terabix, Inc.
Most cited
By later US patents
- Coupling system to a microsphere cavity138US 6,389,197 B1California Institute of Technology · 2002
- Optical sensing based on whispering-gallery-mode microcavity130US 6,490,039 B2California Institute of Technology · 2002
- Coupled opto-electronic oscillator129US 5,929,430 ACalifornia Institute of Technology · 1999
- Apparatus for generating light pulse train121US 4,136,929 AHitachi, Ltd. · 1979
- Semiconductor micro-resonator device119US 6,009,115 ANorthwestern University · 1999