- 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 3/136 - Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling devices placed within the cavity
Patent holdings for IPC class H01S 3/136
Total number of patents in this class: 105
10-year publication summary
|
6
|
9
|
9
|
9
|
7
|
5
|
9
|
9
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11
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Gigaphoton Inc. | 1256 |
11 |
| Raytheon Company | 8399 |
6 |
| Arete Associates | 55 |
4 |
| Ludwig-Maximilians-Universitat Munchen | 341 |
4 |
| Cymer, LLC | 394 |
3 |
| IMRA America, Inc. | 151 |
3 |
| Coherent, Inc. | 303 |
3 |
| Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V. | 1792 |
3 |
| FUJIFILM Corporation | 29752 |
2 |
| Nippon Telegraph and Telephone Corporation | 16681 |
2 |
| Coherent LaserSystems GmbH & Co. KG | 61 |
2 |
| Elbit Systems Electro-Optics Elop Ltd. | 94 |
2 |
| IPG Photonics Corporation | 555 |
2 |
| TOPTICA Photonics AG | 37 |
2 |
| TRUMPF Laser Marking Systems AG | 11 |
2 |
| OpenLight Photonics, Inc | 192 |
2 |
| Center for Molecular Fingerprinting | 2 |
2 |
| International Business Machines Corporation | 61694 |
1 |
| Hewlett-Packard Development Company, L.P. | 25611 |
1 |
| Mitsubishi Electric Corporation | 46765 |
1 |
| Other owners | 47 |