- All sections
- H - Electricity
- H01S - 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 3/131 - Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the active medium, e.g. by controlling the processes or apparatus for excitation
Patent holdings for IPC class H01S 3/131
Total number of patents in this class: 289
10-year publication summary
29
|
27
|
33
|
28
|
23
|
29
|
24
|
12
|
12
|
4
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Raytheon Company | 8535 |
14 |
Gigaphoton Inc. | 1120 |
12 |
FANUC Corporation | 5803 |
10 |
Fujikura Ltd. | 2777 |
8 |
Mitsubishi Electric Corporation | 43934 |
6 |
Massachusetts Institute of Technology | 9795 |
6 |
Candela Corporation | 181 |
6 |
Boston Scientific Scimed, Inc. | 8794 |
5 |
Ludwig-Maximilians-Universitat Munchen | 329 |
5 |
NEC Corporation | 32703 |
4 |
Robert Bosch GmbH | 40953 |
4 |
Cymer, LLC | 347 |
4 |
Cypress Semiconductor Corporation | 1642 |
4 |
Nippon Telegraph and Telephone Corporation | 14195 |
4 |
The Furukawa Electric Co., Ltd. | 3486 |
4 |
NKT Photonics A/S | 215 |
4 |
Ladarsystems, Inc. | 25 |
4 |
Fujitsu Limited | 19265 |
3 |
Northrop Grumman Systems Corporation | 2940 |
3 |
Thales Holdings UK PLC | 121 |
3 |
Other owners | 176 |