- 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 3/23 - Arrangement of two or more lasers not provided for in groups , e.g. tandem arrangement of separate active media
Patent holdings for IPC class H01S 3/23
Total number of patents in this class: 1639
10-year publication summary
|
115
|
156
|
141
|
179
|
160
|
146
|
116
|
105
|
85
|
62
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Gigaphoton Inc. | 1156 |
191 |
| Cymer, LLC | 353 |
63 |
| Northrop Grumman Systems Corporation | 2937 |
49 |
| Raytheon Company | 8450 |
40 |
| NKT Photonics A/S | 227 |
37 |
| ASML Netherlands B.V. | 6980 |
32 |
| Fujikura Ltd. | 2816 |
31 |
| Coherent, Inc. | 323 |
29 |
| TRUMPF Laser GmbH | 158 |
24 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6147 |
19 |
| Massachusetts Institute of Technology | 9837 |
18 |
| IMRA America, Inc. | 165 |
16 |
| TRUMPF Lasersystems for Semiconductor Manufacturing GmbH | 87 |
16 |
| Mitsubishi Electric Corporation | 44614 |
15 |
| IPG Photonics Corporation | 505 |
15 |
| Thales | 1863 |
15 |
| Centre National de La Recherche Scientifique | 9814 |
14 |
| Friedrich-schiller-universität Jena | 177 |
14 |
| Panasonic Corporation of North America | 300 |
13 |
| Lawrence Livermore National Security, LLC | 1860 |
13 |
| Other owners | 975 |