- 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: 3152
10-year publication summary
|
212
|
176
|
243
|
242
|
203
|
221
|
180
|
148
|
132
|
87
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Gigaphoton Inc. | 1227 |
162 |
| Fujikura Ltd. | 2931 |
67 |
| NEC Corporation | 35619 |
66 |
| Cymer, LLC | 386 |
57 |
| IPG Photonics Corporation | 529 |
49 |
| Mitsubishi Electric Corporation | 46037 |
48 |
| Hamamatsu Photonics K.K. | 4413 |
46 |
| Nippon Telegraph and Telephone Corporation | 17337 |
43 |
| Northrop Grumman Systems Corporation | 2942 |
37 |
| The Furukawa Electric Co., Ltd. | 3646 |
36 |
| Electro Scientific Industries, Inc. | 374 |
34 |
| nLIGHT, Inc. | 410 |
32 |
| Nikon Corporation | 7162 |
30 |
| II-VI Delaware, Inc. | 1679 |
30 |
| Huawei Technologies Co., Ltd. | 112316 |
29 |
| Coherent, Inc. | 320 |
27 |
| Raytheon Company | 8393 |
26 |
| KLA-Tencor Corporation | 2544 |
25 |
| Fujitsu Limited | 18346 |
24 |
| NKT Photonics A/S | 250 |
23 |
| Other owners | 2261 |