- 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: 2874
10-year publication summary
243
|
244
|
223
|
271
|
256
|
265
|
289
|
243
|
212
|
58
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Fujikura Ltd. | 2777 |
174 |
nLIGHT, Inc. | 380 |
116 |
IPG Photonics Corporation | 494 |
107 |
The Furukawa Electric Co., Ltd. | 3486 |
70 |
Northrop Grumman Systems Corporation | 2940 |
60 |
NEC Corporation | 32703 |
56 |
OFS Fitel, LLC | 549 |
54 |
Nippon Telegraph and Telephone Corporation | 14195 |
48 |
Huawei Technologies Co., Ltd. | 100781 |
43 |
NKT Photonics A/S | 215 |
40 |
IMRA America, Inc. | 174 |
37 |
Raytheon Company | 8535 |
32 |
Lumentum Operations LLC | 696 |
32 |
II-VI Delaware, Inc. | 1720 |
31 |
Coherent, Inc. | 337 |
26 |
Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6132 |
26 |
Accelink Technologies Co., Ltd. | 264 |
25 |
Centre National de La Recherche Scientifique | 9632 |
24 |
Fujitsu Limited | 19265 |
24 |
Massachusetts Institute of Technology | 9795 |
22 |
Other owners | 1827 |