- 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 3/0941 - Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a semiconductor laser, e.g. of a laser diode
Patent holdings for IPC class H01S 3/0941
Total number of patents in this class: 1090
10-year publication summary
|
96
|
107
|
101
|
101
|
81
|
73
|
76
|
73
|
60
|
26
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fujikura Ltd. | 2908 |
41 |
| nLIGHT, Inc. | 404 |
38 |
| The Furukawa Electric Co., Ltd. | 3635 |
29 |
| Raytheon Company | 8388 |
25 |
| Robert Bosch GmbH | 42505 |
19 |
| Coherent, Inc. | 319 |
19 |
| NEC Corporation | 35424 |
18 |
| IPG Photonics Corporation | 523 |
16 |
| Hamamatsu Photonics K.K. | 4390 |
15 |
| BAE Systems Information and Electronic Systems Integration Inc. | 1818 |
15 |
| Lawrence Livermore National Security, LLC | 1927 |
12 |
| Gigaphoton Inc. | 1218 |
12 |
| NKT Photonics A/S | 245 |
12 |
| Mitsubishi Electric Corporation | 45860 |
10 |
| Lumentum Operations LLC | 725 |
10 |
| OFS Fitel, LLC | 563 |
10 |
| Quantum-Si Incorporated | 441 |
10 |
| Sony Group Corporation | 13560 |
10 |
| Glas Trust Company LLC | 288 |
10 |
| Massachusetts Institute of Technology | 10019 |
9 |
| Other owners | 750 |