- 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: 1108
10-year publication summary
|
93
|
105
|
100
|
100
|
80
|
70
|
75
|
71
|
60
|
40
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fujikura Ltd. | 2953 |
41 |
| nLIGHT, Inc. | 413 |
38 |
| The Furukawa Electric Co., Ltd. | 3702 |
30 |
| Raytheon Company | 8400 |
25 |
| Coherent, Inc. | 317 |
20 |
| Robert Bosch GmbH | 42826 |
19 |
| NEC Corporation | 36124 |
18 |
| Hamamatsu Photonics K.K. | 4461 |
16 |
| IPG Photonics Corporation | 545 |
16 |
| BAE Systems Information and Electronic Systems Integration Inc. | 1848 |
15 |
| Lawrence Livermore National Security, LLC | 1942 |
12 |
| Gigaphoton Inc. | 1249 |
12 |
| NKT Photonics A/S | 261 |
12 |
| Sony Group Corporation | 14299 |
11 |
| Mitsubishi Electric Corporation | 46590 |
10 |
| Lumentum Operations LLC | 747 |
10 |
| OFS Fitel, LLC | 566 |
10 |
| Quantum-Si Incorporated | 454 |
10 |
| Glas Trust Company LLC | 288 |
10 |
| Massachusetts Institute of Technology | 10117 |
9 |
| Other owners | 764 |