- 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 3/13 - 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: 1415
10-year publication summary
|
111
|
103
|
106
|
125
|
106
|
105
|
104
|
84
|
78
|
31
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Gigaphoton Inc. | 1120 |
77 |
| Northrop Grumman Systems Corporation | 2940 |
43 |
| Cymer, LLC | 347 |
40 |
| Raytheon Company | 8535 |
38 |
| II-VI Delaware, Inc. | 1720 |
30 |
| ASML Netherlands B.V. | 6816 |
21 |
| IMRA America, Inc. | 174 |
20 |
| FANUC Corporation | 5803 |
19 |
| Massachusetts Institute of Technology | 9795 |
17 |
| TRUMPF Laser GmbH | 149 |
16 |
| Mitsubishi Electric Corporation | 43934 |
15 |
| Fujitsu Limited | 19265 |
14 |
| Coherent, Inc. | 337 |
14 |
| IPG Photonics Corporation | 494 |
12 |
| M Squared Lasers Limited | 95 |
12 |
| NEC Corporation | 32703 |
11 |
| Centre National de La Recherche Scientifique | 9632 |
11 |
| Sumitomo Electric Industries, Ltd. | 14131 |
11 |
| Huawei Technologies Co., Ltd. | 100781 |
11 |
| Accelink Technologies Co., Ltd. | 264 |
11 |
| Other owners | 972 |