- 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 3/137 - Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling devices placed within the cavity for stabilising of frequency
Patent holdings for IPC class H01S 3/137
Total number of patents in this class: 171
10-year publication summary
|
17
|
12
|
25
|
10
|
12
|
18
|
16
|
17
|
11
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Gigaphoton Inc. | 1239 |
43 |
| Cymer, LLC | 387 |
13 |
| OpenLight Photonics, Inc | 190 |
5 |
| Korea Advanced Institute of Science and Technology | 4387 |
4 |
| Centre National de La Recherche Scientifique | 10476 |
3 |
| Ciena Corporation | 2035 |
3 |
| Nippon Telegraph and Telephone Corporation | 17365 |
3 |
| Menlo Systems GmbH | 25 |
3 |
| NeoPhotonics Corporation | 109 |
3 |
| Stable Laser Systems, Inc. | 11 |
3 |
| Massachusetts Institute of Technology | 10080 |
2 |
| ASML Netherlands B.V. | 7418 |
2 |
| Thales SA | 2346 |
2 |
| Advantest Corporation | 1805 |
2 |
| Intuitive Surgical Operations, Inc. | 4086 |
2 |
| KLA-Tencor Corporation | 2544 |
2 |
| M Squared Lasers Limited | 83 |
2 |
| Mitutoyo Corporation | 1250 |
2 |
| Novanta Corporation | 119 |
2 |
| Tohoku University | 2799 |
2 |
| Other owners | 68 |