- 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: 1140
10-year publication summary
|
107
|
101
|
101
|
81
|
73
|
80
|
80
|
60
|
51
|
38
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fujikura Ltd. | 3087 |
42 |
| nLIGHT, Inc. | 417 |
38 |
| The Furukawa Electric Co., Ltd. | 3694 |
30 |
| Raytheon Company | 8448 |
25 |
| Coherent, Inc. | 294 |
19 |
| NEC Corporation | 37004 |
18 |
| Hamamatsu Photonics K.K. | 4681 |
18 |
| Robert Bosch GmbH | 44160 |
16 |
| IPG Photonics Corporation | 585 |
16 |
| BAE Systems Information and Electronic Systems Integration Inc. | 1917 |
15 |
| Lawrence Livermore National Security, LLC | 1973 |
13 |
| Gigaphoton Inc. | 1326 |
12 |
| Wells Fargo Bank, National Association, AS Collateral Agent | 877 |
12 |
| NKT Photonics A/S | 269 |
12 |
| Sony Group Corporation | 15642 |
12 |
| Arete Associates | 55 |
11 |
| OFS Fitel, LLC | 574 |
11 |
| Mitsubishi Electric Corporation | 48018 |
10 |
| Microvision, Inc. | 555 |
10 |
| Massachusetts Institute of Technology | 10251 |
9 |
| Other owners | 791 |