- 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: 3170
10-year publication summary
|
206
|
173
|
238
|
238
|
199
|
210
|
181
|
148
|
132
|
141
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Gigaphoton Inc. | 1269 |
166 |
| NEC Corporation | 36282 |
68 |
| Fujikura Ltd. | 2977 |
68 |
| Cymer, LLC | 396 |
58 |
| Mitsubishi Electric Corporation | 46973 |
49 |
| IPG Photonics Corporation | 557 |
49 |
| Hamamatsu Photonics K.K. | 4499 |
48 |
| Nippon Telegraph and Telephone Corporation | 16319 |
38 |
| Northrop Grumman Systems Corporation | 2931 |
37 |
| The Furukawa Electric Co., Ltd. | 3703 |
36 |
| Huawei Technologies Co., Ltd. | 116003 |
32 |
| nLIGHT, Inc. | 414 |
32 |
| Electro Scientific Industries, Inc. | 364 |
31 |
| Lumentum Operations LLC | 904 |
30 |
| Nikon Corporation | 7299 |
28 |
| Raytheon Company | 8447 |
26 |
| II-VI Delaware, Inc. | 1652 |
25 |
| KLA-Tencor Corporation | 2537 |
25 |
| NKT Photonics A/S | 265 |
25 |
| Coherent, Inc. | 304 |
24 |
| Other owners | 2275 |