- 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: 1114
10-year publication summary
|
105
|
100
|
100
|
80
|
70
|
75
|
71
|
60
|
50
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fujikura Ltd. | 2991 |
41 |
| nLIGHT, Inc. | 413 |
38 |
| The Furukawa Electric Co., Ltd. | 3696 |
30 |
| Raytheon Company | 8459 |
25 |
| Coherent, Inc. | 303 |
20 |
| Robert Bosch GmbH | 43097 |
19 |
| NEC Corporation | 36334 |
18 |
| Hamamatsu Photonics K.K. | 4531 |
16 |
| IPG Photonics Corporation | 562 |
16 |
| BAE Systems Information and Electronic Systems Integration Inc. | 1866 |
15 |
| Lawrence Livermore National Security, LLC | 1943 |
12 |
| Gigaphoton Inc. | 1274 |
12 |
| NKT Photonics A/S | 265 |
12 |
| Lumentum Operations LLC | 903 |
11 |
| Sony Group Corporation | 14674 |
11 |
| Mitsubishi Electric Corporation | 47131 |
10 |
| Arete Associates | 55 |
10 |
| OFS Fitel, LLC | 566 |
10 |
| Glas Trust Company LLC | 286 |
10 |
| Massachusetts Institute of Technology | 10167 |
9 |
| Other owners | 769 |