- 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 3/131 - 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: 307
10-year publication summary
|
33
|
28
|
23
|
29
|
27
|
16
|
12
|
14
|
7
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Raytheon Company | 8436 |
13 |
| Gigaphoton Inc. | 1328 |
13 |
| FANUC Corporation | 7297 |
10 |
| Fujikura Ltd. | 3108 |
9 |
| NKT Photonics A/S | 271 |
7 |
| Mitsubishi Electric Corporation | 48172 |
6 |
| Boston Scientific Scimed, Inc. | 11241 |
6 |
| Massachusetts Institute of Technology | 10282 |
6 |
| Ludwig-Maximilians-Universitat Munchen | 346 |
6 |
| Nippon Telegraph and Telephone Corporation | 15939 |
5 |
| HSBC Bank USA, N.A., AS Successor Collateral Agent | 87 |
5 |
| NEC Corporation | 37168 |
4 |
| Cymer, LLC | 417 |
4 |
| The Furukawa Electric Co., Ltd. | 3695 |
4 |
| Infineon Technologies Americas Corp. | 1941 |
4 |
| nLIGHT, Inc. | 421 |
4 |
| Trieye Ltd. | 55 |
4 |
| Acacia Technology, Inc. | 202 |
4 |
| Robert Bosch GmbH | 44254 |
3 |
| Northrop Grumman Systems Corporation | 2912 |
3 |
| Other owners | 187 |