H01S
Devices using the process of light amplification by stimulated emission of radiation
Official title: Devices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light; devices using stimulated emission of electromagnetic radiation in wave ranges other than optical
H01S (Devices using the process of light amplification by stimulated emission of radiation) appears on 40,239 US grants and 33,794 published applications in this corpus.
Search patents in H01S- Granted patents
- 40,239
- Published applications
- 33,794
- Assignees
- 6,448
- Inventors
- 46,496
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 257 | 0 |
| 1977 | 197 | 0 |
| 1978 | 191 | 0 |
| 1979 | 161 | 0 |
| 1980 | 207 | 0 |
| 1981 | 201 | 0 |
| 1982 | 206 | 0 |
| 1983 | 167 | 0 |
| 1984 | 223 | 0 |
| 1985 | 245 | 0 |
| 1986 | 283 | 0 |
| 1987 | 417 | 0 |
| 1988 | 528 | 0 |
| 1989 | 663 | 0 |
| 1990 | 560 | 0 |
| 1991 | 639 | 0 |
| 1992 | 619 | 0 |
| 1993 | 622 | 0 |
| 1994 | 778 | 0 |
| 1995 | 640 | 0 |
| 1996 | 608 | 0 |
| 1997 | 585 | 0 |
| 1998 | 837 | 0 |
| 1999 | 791 | 0 |
| 2000 | 834 | 0 |
| 2001 | 877 | 374 |
| 2002 | 1029 | 1497 |
| 2003 | 1328 | 1731 |
| 2004 | 1444 | 1529 |
| 2005 | 1181 | 1566 |
| 2006 | 1218 | 1347 |
| 2007 | 874 | 1301 |
| 2008 | 929 | 1254 |
| 2009 | 1016 | 1324 |
| 2010 | 1252 | 1240 |
| 2011 | 1008 | 1200 |
| 2012 | 962 | 1078 |
| 2013 | 1003 | 1079 |
| 2014 | 1162 | 1083 |
| 2015 | 1209 | 1225 |
| 2016 | 1152 | 1214 |
| 2017 | 1226 | 1277 |
| 2018 | 1110 | 1340 |
| 2019 | 1349 | 1493 |
| 2020 | 1266 | 1597 |
| 2021 | 1135 | 1578 |
| 2022 | 1085 | 1560 |
| 2023 | 1034 | 1436 |
| 2024 | 1136 | 1392 |
| 2025 | 1031 | 1214 |
| 2026 | 764 | 865 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- H01S 5/00Semiconductor lasers24,948
- H01S 3/00Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared18,646
- H01S 2301/00Functional characteristicsIndexing code4,471
- H01S 2304/00Special growth methods for semiconductor lasersIndexing code1,041
- H01S 2302/00Amplification / lasing wavelengthIndexing code359
- H01S 1/00Masers, i.e. devices using stimulated emission of electromagnetic radiation in the microwave257
- H01S 4/00Devices using stimulated emission of electromagnetic radiation in wave ranges other than124
- H01S 2303/00Pumping wavelengthIndexing code70
Recent patents
- Time-of-flight measurement on user with cameras and position sensor6 Oct 2026US 12,751,628 B2Omni Medsci, Inc.
- Ensemble light source6 Oct 2026US 12,756,150 B1KYOCERA SLD Laser, Inc.
- Package for accommodating electronic element, and electronic device6 Oct 2026US 12,756,151 B2KYOCERA Corporation
- Light source device6 Oct 2026US 12,756,152 B2Nichia Corporation
- Light emitting device6 Oct 2026US 12,756,153 B2Nichia Corporation
- Pcsel magnetometer8 Oct 2026US 2026/0309814 A1II-Vi Delaware, 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
Most cited
By later US patents
- Transistor and semiconductor device4,015US 6,727,522 B1Japan Science and Technology Corporation · 2004
- Transistor and semiconductor device3,984US 7,064,346 B2Japan Science and Technology Agency · 2006
- Semiconductor device in which zinc oxide is used as a semiconductor material and method for manufacturing the semiconductor device3,918US 7,501,293 B2Murata Manufacturing Co., Ltd. · 2009
- Laser driver circuit for burst mode transmission and fabrication method thereof1,464US 7,324,572 B2Asia Optical Co., Inc. · 2008
- Method and apparatus for optical imaging with means for controlling the longitudinal range of the sample1,199US 5,321,501 AMassachusetts Institute of Technology · 1994