- 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 5/125 - Distributed Bragg reflector [DBR] lasers
Patent holdings for IPC class H01S 5/125
Total number of patents in this class: 576
10-year publication summary
40
|
51
|
52
|
62
|
76
|
54
|
59
|
54
|
38
|
21
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Nippon Telegraph and Telephone Corporation | 14195 |
30 |
Huawei Technologies Co., Ltd. | 100781 |
19 |
Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
17 |
Sumitomo Electric Industries, Ltd. | 14131 |
15 |
II-VI Delaware, Inc. | 1720 |
15 |
Oracle International Corporation | 12313 |
14 |
The Furukawa Electric Co., Ltd. | 3486 |
13 |
The Government of the United States of America, as represented by the Secretary of the Navy | 1102 |
12 |
Rockley Photonics Limited | 399 |
12 |
Apple Inc. | 50209 |
11 |
Samsung Electronics Co., Ltd. | 131630 |
8 |
The Regents of the University of California | 18943 |
8 |
GM Global Technology Operations LLC | 13620 |
8 |
Freedom Photonics, LLC. | 31 |
8 |
Acorn Semi, LLC | 49 |
8 |
Sony Corporation | 32931 |
7 |
Electronics and Telecommunications Research Institute | 8830 |
7 |
Raytheon Company | 8535 |
7 |
Microsoft Technology Licensing, LLC | 51439 |
7 |
International Business Machines Corporation | 60644 |
6 |
Other owners | 344 |