- 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 3/067 - Fibre lasers
Patent holdings for IPC class H01S 3/067
Total number of patents in this class: 2927
10-year publication summary
|
243
|
244
|
223
|
271
|
256
|
267
|
289
|
243
|
214
|
135
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fujikura Ltd. | 2816 |
174 |
| nLIGHT, Inc. | 384 |
111 |
| IPG Photonics Corporation | 505 |
109 |
| The Furukawa Electric Co., Ltd. | 3532 |
70 |
| Northrop Grumman Systems Corporation | 2937 |
60 |
| NEC Corporation | 33474 |
58 |
| OFS Fitel, LLC | 548 |
55 |
| Nippon Telegraph and Telephone Corporation | 15276 |
49 |
| Huawei Technologies Co., Ltd. | 104236 |
45 |
| NKT Photonics A/S | 227 |
42 |
| II-VI Delaware, Inc. | 1719 |
34 |
| IMRA America, Inc. | 165 |
33 |
| Lumentum Operations LLC | 702 |
33 |
| Raytheon Company | 8450 |
32 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6147 |
28 |
| Coherent, Inc. | 323 |
26 |
| Accelink Technologies Co., Ltd. | 276 |
25 |
| Centre National de La Recherche Scientifique | 9814 |
24 |
| Fujitsu Limited | 18875 |
23 |
| Shenzhen University | 1579 |
23 |
| Other owners | 1873 |