H01S 3/00
Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared
Official title: Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range (semiconductors lasers H01S5/00)
H01S3/00 (Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared) appears on 18,646 US grants and 13,859 published applications in this corpus.
Search patents in H01S- Granted patents
- 18,646
- Published applications
- 13,859
- Assignees
- 4,091
- Inventors
- 24,600
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 212 | 0 |
| 1977 | 162 | 0 |
| 1978 | 157 | 0 |
| 1979 | 130 | 0 |
| 1980 | 163 | 0 |
| 1981 | 151 | 0 |
| 1982 | 132 | 0 |
| 1983 | 116 | 0 |
| 1984 | 149 | 0 |
| 1985 | 179 | 0 |
| 1986 | 174 | 0 |
| 1987 | 263 | 0 |
| 1988 | 282 | 0 |
| 1989 | 356 | 0 |
| 1990 | 312 | 0 |
| 1991 | 326 | 0 |
| 1992 | 364 | 0 |
| 1993 | 344 | 0 |
| 1994 | 377 | 0 |
| 1995 | 293 | 0 |
| 1996 | 280 | 0 |
| 1997 | 282 | 0 |
| 1998 | 356 | 0 |
| 1999 | 356 | 0 |
| 2000 | 374 | 0 |
| 2001 | 436 | 152 |
| 2002 | 516 | 673 |
| 2003 | 611 | 649 |
| 2004 | 588 | 601 |
| 2005 | 466 | 581 |
| 2006 | 490 | 545 |
| 2007 | 350 | 510 |
| 2008 | 410 | 485 |
| 2009 | 395 | 527 |
| 2010 | 468 | 501 |
| 2011 | 398 | 483 |
| 2012 | 366 | 471 |
| 2013 | 415 | 530 |
| 2014 | 563 | 547 |
| 2015 | 608 | 611 |
| 2016 | 572 | 592 |
| 2017 | 636 | 567 |
| 2018 | 509 | 599 |
| 2019 | 562 | 613 |
| 2020 | 496 | 607 |
| 2021 | 444 | 615 |
| 2022 | 471 | 592 |
| 2023 | 417 | 521 |
| 2024 | 433 | 521 |
| 2025 | 431 | 454 |
| 2026 | 305 | 312 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H01S 3/05Construction or shape of optical resonators9,767
- H01S 3/10Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation7,913
- H01S 3/09Processes or apparatus for excitation6,966
- H01S 3/14Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared5,246
- H01S 3/005Optical devices external to the laser cavity, specially adapted for lasers4,032
- H01S 3/02Constructional details3,711
- H01S 3/23Arrangements of two or more lasers not provided for in groups h01s3/022,949
- H01S 3/30Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared1,338
Recent patents
- Time-of-flight measurement on user with cameras and position sensor6 Oct 2026US 12,751,628 B2Omni Medsci, Inc.
- Devices and methods for quartz enhanced photoacoustic spectroscopy6 Oct 2026US 12,756,156 B2Pendar Technologies, LLC
- Dry-type cleansing apparatus for wafers6 Oct 2026US 12,757,664 B2Semes Co., Ltd.
- Functionally homogenized intensity distribution for additive manufacturing or other industrial laser processing applications29 Sep 2026US 12,746,599 B2nLIGHT, Inc.
- Systems, tools and methods for well decommissioning29 Sep 2026US 12,747,646 B2Foro Energy, Inc.
- Radiation source assembly for generating broadband radiation8 Oct 2026US 2026/0312354 A1ASML Netherlands B. V.
- Temperature Control for Coiled Gain Fiber in Fiber Amplifier8 Oct 2026US 2026/0312355 A1II-Vi Delaware, Inc.
- Optical fibre and optical fibre device8 Oct 2026US 2026/0312356 A1
- Dynamic repetition-rate control of single-cavity dual-comb lasers8 Oct 2026US 2026/0312357 A1The Regents of the University of Colorado, a body corporate
- Colliding pulse mode-locking (cpm) lasers having gain sections with substantially equal effective length8 Oct 2026US 2026/0312358 A1Mellanox Technologies, Ltd.
Most cited
By later US patents
- Evanescent-field optical amplifiers and lasers1,018US 7,170,910 B2National Chiao Tung University · 2007
- Method and apparatus for performing optical frequency domain reflectometry488US 6,160,826 AMassachusetts Institute of Technology · 2000
- Method and apparatus for performing optical measurements using a rapidly frequency-tuned laser478US 5,956,355 AMassachusetts Institute of Technology · 1999
- Optical fiber with quantum dots473US 7,054,513 B2Lambda Instruments, Inc. · 2006
- Laser driver and control circuit455US 4,950,268 AXintec Inc. · 1990