- 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 3/139 - 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: 189
10-year publication summary
|
20
|
17
|
18
|
20
|
13
|
8
|
16
|
17
|
15
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Gigaphoton Inc. | 1120 |
22 |
| M Squared Lasers Limited | 95 |
10 |
| Raytheon Company | 8535 |
8 |
| Cymer, LLC | 347 |
7 |
| Centre National de La Recherche Scientifique | 9632 |
6 |
| Menlo Systems GmbH | 25 |
5 |
| IMRA America, Inc. | 174 |
4 |
| Advantest Corporation | 1939 |
4 |
| Mitutoyo Corporation | 1218 |
4 |
| Praevium Research, Inc. | 38 |
4 |
| Thorlabs, Inc. | 415 |
4 |
| The Boeing Company | 19843 |
3 |
| Panasonic Corporation of North America | 298 |
3 |
| Korea Advanced Institute of Science and Technology | 3906 |
3 |
| BAE SYSTEMS plc | 2215 |
3 |
| Picomole Inc. | 57 |
3 |
| ASML Netherlands B.V. | 6816 |
2 |
| Thales SA | 2318 |
2 |
| Hamamatsu Photonics K.K. | 4161 |
2 |
| Fujikura Ltd. | 2777 |
2 |
| Other owners | 88 |