- 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: 3215
10-year publication summary
|
176
|
243
|
242
|
203
|
221
|
189
|
162
|
137
|
151
|
106
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Gigaphoton Inc. | 1333 |
172 |
| NEC Corporation | 37312 |
71 |
| Fujikura Ltd. | 3117 |
69 |
| Cymer, LLC | 416 |
62 |
| IPG Photonics Corporation | 593 |
53 |
| Hamamatsu Photonics K.K. | 4703 |
51 |
| Mitsubishi Electric Corporation | 48287 |
48 |
| Nippon Telegraph and Telephone Corporation | 15933 |
38 |
| Northrop Grumman Systems Corporation | 2912 |
36 |
| Huawei Technologies Co., Ltd. | 124630 |
34 |
| The Furukawa Electric Co., Ltd. | 3692 |
34 |
| nLIGHT, Inc. | 421 |
32 |
| Electro Scientific Industries, Inc. | 345 |
30 |
| Wells Fargo Bank, National Association, AS Collateral Agent | 886 |
29 |
| Raytheon Company | 8443 |
26 |
| Nikon Corporation | 7231 |
25 |
| KLA-Tencor Corporation | 2517 |
25 |
| NKT Photonics A/S | 270 |
25 |
| II-VI Delaware, Inc. | 1618 |
24 |
| Sumitomo Electric Industries, Ltd. | 16345 |
23 |
| Other owners | 2308 |