- All sections
- H - Electricity
- H01S - Devices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate lightdevices using stimulated emission of electromagnetic radiation in wave ranges other than optical
- H01S 3/139 - Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the mutual position or the reflecting properties of the reflectors of the cavity
Patent holdings for IPC class H01S 3/139
Total number of patents in this class: 215
10-year publication summary
|
18
|
20
|
13
|
8
|
17
|
18
|
16
|
14
|
10
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Gigaphoton Inc. | 1333 |
26 |
| Cymer, LLC | 416 |
9 |
| Raytheon Company | 8443 |
7 |
| M Squared Lasers Limited | 63 |
7 |
| Centre National de La Recherche Scientifique | 11092 |
6 |
| Menlo Systems GmbH | 25 |
5 |
| IMRA America, Inc. | 150 |
4 |
| Advantest Corporation | 1672 |
4 |
| Praevium Research, Inc. | 30 |
4 |
| Thorlabs, Inc. | 370 |
4 |
| WBC Photonics, Inc. | 136 |
4 |
| The Boeing Company | 20197 |
3 |
| ASML Netherlands B.V. | 8005 |
3 |
| Hamamatsu Photonics K.K. | 4703 |
3 |
| Korea Advanced Institute of Science and Technology | 4702 |
3 |
| BAE SYSTEMS plc | 2505 |
3 |
| CryLaS Crystal Laser Systems GmbH | 6 |
3 |
| Mitutoyo Corporation | 1259 |
3 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6102 |
3 |
| Breathe Biomedical Inc. | 37 |
3 |
| Other owners | 108 |