H01S 5/06808
By monitoring the electrical laser parameters
Official title: {by monitoring the electrical laser parameters, e.g. voltage or current}
H01S5/06808 (By monitoring the electrical laser parameters) appears on 330 US grants and 335 published applications in this corpus.
Search patents in H01S- Granted patents
- 330
- Published applications
- 335
- Assignees
- 224
- Inventors
- 748
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 8 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 0 |
| 2002 | 2 | 6 |
| 2003 | 3 | 6 |
| 2004 | 9 | 10 |
| 2005 | 8 | 11 |
| 2006 | 6 | 10 |
| 2007 | 7 | 11 |
| 2008 | 11 | 9 |
| 2009 | 10 | 4 |
| 2010 | 7 | 12 |
| 2011 | 7 | 5 |
| 2012 | 7 | 11 |
| 2013 | 6 | 7 |
| 2014 | 9 | 10 |
| 2015 | 13 | 18 |
| 2016 | 10 | 15 |
| 2017 | 20 | 17 |
| 2018 | 9 | 15 |
| 2019 | 34 | 23 |
| 2020 | 19 | 24 |
| 2021 | 14 | 14 |
| 2022 | 12 | 27 |
| 2023 | 13 | 26 |
| 2024 | 17 | 22 |
| 2025 | 22 | 17 |
| 2026 | 6 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Automatic power control circuit and method, and laser diode circuit14 Jul 2026US 12,683,359 B2Egis Technology Inc.
- Laser system and method for driving a laser system16 Jun 2026US 12,658,672 B2Endress+Hauser Optical Analysis, Inc.
- Optical element displacement detection circuit28 Apr 2026US 12,614,891 B2STMicroelectronics (Research & Development) Limited
- Method of controlling an optical output power of a laser diode, control device and system31 Mar 2026US 12,592,541 B2Robert Bosch GmbH
- Illumination diagnosis for LIDAR driver17 Feb 2026US 12,555,975 B2Semiconductor Components Industries, LLC
- Laser module power up and down sequence8 Oct 2026US 2026/0312365 A1Lightmatter, Inc.
- Adaptive pre-biasing of a diode23 Jul 2026US 2026/0213491 A1STMicroelectronics International N. V.
- Method for monitoring the transition temperature and optoelectronic device18 Jun 2026US 2026/0171753 A1ams-OSRAM International GmbH
- Current load-controlled laser driver9 Apr 2026US 2026/0100555 A1II-Vi Delaware, Inc.
- Auto Flux Timing for Current Resonant Laser Diode Driver8 Jan 2026US 2026/0011979 A1Silanna Asia Pte Ltd
Most cited
By later US patents
- Intelligent fiberoptic transmitters and methods of operating and manufacturing the same253US 5,812,572 APacific Fiberoptics, Inc. · 1998
- Device and method to control the output power of laser diodes137US 5,383,208 AFrance Telecom · 1995
- Method and apparatus for extending and confirming the service life of semiconductor laser of bar code reader by detecting current increase corresponding to temperature of semiconductor laser94US 5,334,826 AFujitsu Limited · 1994
- Drive circuit of light emitting element57US 6,097,159 ASony Corporation · 2000
- Wavelength-changeable light source capable of changing wavelength of output light, optical communication network using the same and wavelength control method for controlling wavelength53US 6,104,516 ACanon Kabushiki Kaisha · 2000