- All sections
- H - Electricity
- H01S - Devices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light; devices 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: 3085
10-year publication summary
225
|
212
|
176
|
243
|
241
|
201
|
212
|
173
|
145
|
40
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Gigaphoton Inc. | 1120 |
152 |
Fujikura Ltd. | 2777 |
65 |
NEC Corporation | 32703 |
62 |
Cymer, LLC | 347 |
54 |
Mitsubishi Electric Corporation | 43934 |
47 |
IPG Photonics Corporation | 494 |
47 |
Hamamatsu Photonics K.K. | 4161 |
43 |
Northrop Grumman Systems Corporation | 2940 |
40 |
Nippon Telegraph and Telephone Corporation | 14195 |
34 |
The Furukawa Electric Co., Ltd. | 3486 |
33 |
Electro Scientific Industries, Inc. | 416 |
33 |
Nikon Corporation | 7162 |
32 |
nLIGHT, Inc. | 380 |
32 |
II-VI Delaware, Inc. | 1720 |
30 |
Raytheon Company | 8535 |
28 |
Coherent, Inc. | 337 |
28 |
Fujitsu Limited | 19265 |
26 |
KLA-Tencor Corporation | 2574 |
25 |
Huawei Technologies Co., Ltd. | 100781 |
24 |
Lumentum Operations LLC | 696 |
22 |
Other owners | 2228 |