- 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 3/091 - Processes or apparatus for excitation, e.g. pumping using optical pumping
Patent holdings for IPC class H01S 3/091
Total number of patents in this class: 374
10-year publication summary
40
|
29
|
22
|
27
|
25
|
26
|
18
|
26
|
30
|
10
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Fujikura Ltd. | 2777 |
11 |
NEC Corporation | 32703 |
9 |
Massachusetts Institute of Technology | 9795 |
9 |
Hamamatsu Photonics K.K. | 4161 |
9 |
BAE Systems Information and Electronic Systems Integration Inc. | 1760 |
8 |
Institut National D'optique | 309 |
7 |
Boston Scientific Scimed, Inc. | 8794 |
6 |
Coherent, Inc. | 337 |
6 |
Lumentum Operations LLC | 696 |
6 |
nLIGHT, Inc. | 380 |
6 |
Samsung Electronics Co., Ltd. | 131630 |
5 |
Raytheon Company | 8535 |
5 |
The United States of America as represented by the Secretary of the Navy | 2734 |
5 |
IPG Photonics Corporation | 494 |
5 |
TRUMPF Laser GmbH + Co. KG | 133 |
5 |
California Institute of Technology | 3884 |
4 |
Lawrence Livermore National Security, LLC | 1834 |
4 |
Energetiq Technology, Inc. | 34 |
4 |
KLA-Tencor Corporation | 2574 |
4 |
Maxphotonics Co., Ltd. | 41 |
4 |
Other owners | 252 |