- 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: 3190
10-year publication summary
|
173
|
238
|
238
|
199
|
210
|
185
|
156
|
132
|
144
|
31
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Gigaphoton Inc. | 1296 |
169 |
| NEC Corporation | 36498 |
68 |
| Fujikura Ltd. | 3035 |
68 |
| Cymer, LLC | 405 |
59 |
| IPG Photonics Corporation | 569 |
50 |
| Hamamatsu Photonics K.K. | 4591 |
49 |
| Mitsubishi Electric Corporation | 47483 |
48 |
| Nippon Telegraph and Telephone Corporation | 16250 |
38 |
| Northrop Grumman Systems Corporation | 2930 |
37 |
| The Furukawa Electric Co., Ltd. | 3713 |
35 |
| Huawei Technologies Co., Ltd. | 119240 |
34 |
| nLIGHT, Inc. | 412 |
32 |
| Electro Scientific Industries, Inc. | 365 |
31 |
| Nikon Corporation | 7256 |
28 |
| Lumentum Operations LLC | 906 |
28 |
| Raytheon Company | 8479 |
26 |
| KLA-Tencor Corporation | 2524 |
25 |
| NKT Photonics A/S | 265 |
25 |
| Coherent, Inc. | 300 |
24 |
| II-VI Delaware, Inc. | 1634 |
24 |
| Other owners | 2292 |