H01S 5/06223
Using delayed or positive feedback
Official title: {using delayed or positive feedback}
H01S5/06223 (Using delayed or positive feedback) appears on 29 US grants and 17 published applications in this corpus.
Search patents in H01S- Granted patents
- 29
- Published applications
- 17
- Assignees
- 24
- Inventors
- 66
- Latest grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 1 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 2 |
| 2017 | 3 | 1 |
| 2018 | 0 | 1 |
| 2019 | 2 | 3 |
| 2020 | 4 | 3 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Light-emitting device and driving device4 Nov 2025US 12,463,399 B2Olympus Corporation
- Optoelectronic oscillator using monolithically integrated multi-quantum well laser and phase modulator19 Dec 2023US 11,848,537 B2Synergy Microwave Corporation
- Reservoir computing system using laser apparatus with fiber feedback and ring resonator23 Aug 2022US 11,424,593 B2International Business Machines Corporation
- Current self-checking regulation circuit based on voltage calibration24 Aug 2021US 11,099,592 B2AmpliPHY Technologies Limited
- Driver circuit and processing device1 Sep 2020US 10,763,642 B2Nichia Corporation
- Sub-rate asymmetric ffe generation for optical transmitter4 Jul 2024US 2024/0222933 A1National Tsing Hua University
- Light-emitting device and driving device9 Jun 2022US 2022/0181844 A1Olympus Corporation
- Optoelectronic Oscillator Using Monolithically Integrated Multi-Quantum Well Laser And Phase Modulator3 Jun 2021US 2021/0167578 A1Synergy Microwave Corporation
- Current self-checking regulation circuit based on voltage calibration19 Mar 2020US 2020/0089267 A1AmpliPHY Technologies Limited
- Accurate current mirror circuit in low voltage headroom applied to laser drivers19 Mar 2020US 2020/0091678 A1AmpliPHY Technologies Limited
Most cited
By later US patents
- Regenerative optical pulse generator13US 5,390,202 AUniversity of New Mexico · 1995
- Optoelectronic oscillator and pulse generator12US 8,031,012 B2Furukawa Electric Co., Ltd. · 2011
- Laser multiple feedback control circuit and method11US 5,253,267 AAmoco Corporation · 1993
- Semiconductor laser driver10US 4,796,264 ANEC Corporation · 1989
- Laser functional device9US 4,483,004 ATohoku University · 1984