- 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 3/094 - Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
Patent holdings for IPC class H01S 3/094
Total number of patents in this class: 1512
10-year publication summary
|
148
|
146
|
144
|
139
|
118
|
114
|
109
|
115
|
106
|
62
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fujikura Ltd. | 2938 |
55 |
| nLIGHT, Inc. | 412 |
46 |
| OFS Fitel, LLC | 563 |
38 |
| The Furukawa Electric Co., Ltd. | 3667 |
31 |
| IPG Photonics Corporation | 530 |
31 |
| Lumentum Operations LLC | 733 |
30 |
| II-VI Delaware, Inc. | 1679 |
27 |
| NEC Corporation | 35778 |
26 |
| Raytheon Company | 8387 |
26 |
| BAE Systems Information and Electronic Systems Integration Inc. | 1839 |
21 |
| Huawei Technologies Co., Ltd. | 113064 |
19 |
| NKT Photonics A/S | 254 |
19 |
| Massachusetts Institute of Technology | 10062 |
17 |
| Coherent, Inc. | 317 |
17 |
| Mitsubishi Electric Corporation | 46197 |
16 |
| Fujitsu Limited | 18402 |
14 |
| Lawrence Livermore National Security, LLC | 1939 |
14 |
| Nufern | 47 |
14 |
| Nippon Telegraph and Telephone Corporation | 17362 |
13 |
| Glas Trust Company LLC | 288 |
13 |
| Other owners | 1025 |