H01S 5/06825
Protecting the laser
Official title: {Protecting the laser, e.g. during switch-on/off, detection of malfunctioning or degradation}
H01S5/06825 (Protecting the laser) appears on 557 US grants and 550 published applications in this corpus.
Search patents in H01S- Granted patents
- 557
- Published applications
- 550
- Assignees
- 302
- Inventors
- 1,280
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 6 | 0 |
| 1989 | 6 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 7 | 0 |
| 1993 | 7 | 0 |
| 1994 | 12 | 0 |
| 1995 | 9 | 0 |
| 1996 | 10 | 0 |
| 1997 | 7 | 0 |
| 1998 | 10 | 0 |
| 1999 | 7 | 0 |
| 2000 | 8 | 0 |
| 2001 | 5 | 2 |
| 2002 | 8 | 11 |
| 2003 | 6 | 21 |
| 2004 | 16 | 18 |
| 2005 | 17 | 23 |
| 2006 | 10 | 27 |
| 2007 | 13 | 24 |
| 2008 | 15 | 15 |
| 2009 | 21 | 18 |
| 2010 | 19 | 8 |
| 2011 | 12 | 9 |
| 2012 | 12 | 8 |
| 2013 | 9 | 14 |
| 2014 | 11 | 11 |
| 2015 | 9 | 15 |
| 2016 | 10 | 15 |
| 2017 | 18 | 25 |
| 2018 | 18 | 28 |
| 2019 | 41 | 49 |
| 2020 | 32 | 31 |
| 2021 | 25 | 39 |
| 2022 | 21 | 45 |
| 2023 | 21 | 36 |
| 2024 | 36 | 28 |
| 2025 | 29 | 17 |
| 2026 | 13 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical element, optical element monitoring system and method, active light emitting module, and terminal8 Sep 2026US 12,731,957 B2Huawei Technologies Co., Ltd.
- Robust and intrinsically safe laser failure detection in the electrical circuit7 Jul 2026US 12,676,456 B2Signify Holding B. V.
- Base member or light-emitting device23 Jun 2026US 12,665,383 B2Nichia Corporation
- VCSEL with integrated ESD protection9 Jun 2026US 12,651,889 B2II-Vi Delaware, Inc.
- Optoelectronic semiconductor component and method for producing an optoelectronic semiconductor component5 May 2026US 12,620,771 B2ams-OSRAM International GmbH
- Laser module power up and down sequence8 Oct 2026US 2026/0312365 A1Lightmatter, Inc.
- Vcsel with integrated esd protection1 Oct 2026US 2026/0302726 A1II-Vi Delaware, Inc.
- Circuit for pumping an active medium of a laser16 Jul 2026US 2026/0204866 A1Fotona d.o.o.
- Optical wireless power transmission using laser diodes18 Jun 2026US 2026/0171852 A1Wi-Charge Ltd.
- Semiconductor optical integrated device and method of manufacturing semiconductor optical integrated device21 May 2026US 2026/0142439 A1Mitsubishi Electric Corporation
Most cited
By later US patents
- Semiconductor laser diode controller and laser diode biasing control method229US 5,019,769 AFinisar Corporation · 1991
- Wavelength division multiplexed optical communication transmitters142US 5,394,489 AAT&T Corp. · 1995
- Device and method to control the output power of laser diodes137US 5,383,208 AFrance Telecom · 1995
- Apparatus for imaging light from a laser diode onto a multi-channel linear light valve131US 5,517,359 A1996
- Apparatus and methods for transmitting electrical signals indicative of optical interactions between a light beam and a flowing suspension of particles125US 5,883,378 ABayer Aktiengesellschaft · 1999