- 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 3/10 - Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
Patent holdings for IPC class H01S 3/10
Total number of patents in this class: 3159
10-year publication summary
|
206
|
173
|
238
|
238
|
199
|
210
|
178
|
145
|
132
|
117
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Gigaphoton Inc. | 1249 |
163 |
| NEC Corporation | 36124 |
68 |
| Fujikura Ltd. | 2953 |
68 |
| Cymer, LLC | 391 |
57 |
| Mitsubishi Electric Corporation | 46590 |
49 |
| IPG Photonics Corporation | 545 |
49 |
| Hamamatsu Photonics K.K. | 4461 |
48 |
| Nippon Telegraph and Telephone Corporation | 16975 |
43 |
| Northrop Grumman Systems Corporation | 2934 |
37 |
| The Furukawa Electric Co., Ltd. | 3702 |
36 |
| Electro Scientific Industries, Inc. | 368 |
33 |
| nLIGHT, Inc. | 413 |
32 |
| Huawei Technologies Co., Ltd. | 114320 |
30 |
| Nikon Corporation | 7298 |
30 |
| Coherent, Inc. | 317 |
27 |
| Raytheon Company | 8400 |
26 |
| II-VI Delaware, Inc. | 1653 |
26 |
| KLA-Tencor Corporation | 2543 |
25 |
| NKT Photonics A/S | 261 |
25 |
| Sumitomo Electric Industries, Ltd. | 15659 |
21 |
| Other owners | 2266 |