- 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 3/13 - Stabilisation of laser output parameters, e.g. frequency or amplitude
Patent holdings for IPC class H01S 3/13
Total number of patents in this class: 1468
10-year publication summary
|
103
|
105
|
125
|
106
|
107
|
111
|
86
|
82
|
91
|
43
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Gigaphoton Inc. | 1227 |
83 |
| Cymer, LLC | 386 |
44 |
| Northrop Grumman Systems Corporation | 2942 |
43 |
| Raytheon Company | 8393 |
39 |
| II-VI Delaware, Inc. | 1679 |
28 |
| ASML Netherlands B.V. | 7381 |
23 |
| FANUC Corporation | 6652 |
19 |
| Mitsubishi Electric Corporation | 46037 |
18 |
| Massachusetts Institute of Technology | 10051 |
18 |
| NKT Photonics A/S | 250 |
17 |
| IMRA America, Inc. | 150 |
16 |
| TRUMPF Laser GmbH | 159 |
16 |
| IPG Photonics Corporation | 529 |
15 |
| Coherent, Inc. | 320 |
14 |
| Huawei Technologies Co., Ltd. | 112316 |
13 |
| NEC Corporation | 35619 |
12 |
| Fujitsu Limited | 18346 |
12 |
| Centre National de La Recherche Scientifique | 10421 |
11 |
| Sumitomo Electric Industries, Ltd. | 15455 |
11 |
| Accelink Technologies Co., Ltd. | 298 |
11 |
| Other owners | 1005 |