- 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 5/125 - Distributed Bragg reflector [DBR] lasers
Patent holdings for IPC class H01S 5/125
Total number of patents in this class: 607
10-year publication summary
|
51
|
52
|
62
|
76
|
54
|
58
|
58
|
38
|
49
|
19
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Telegraph and Telephone Corporation | 17260 |
33 |
| Huawei Technologies Co., Ltd. | 111764 |
19 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10922 |
17 |
| Sumitomo Electric Industries, Ltd. | 15414 |
15 |
| II-VI Delaware, Inc. | 1685 |
15 |
| Oracle International Corporation | 12919 |
14 |
| The Furukawa Electric Co., Ltd. | 3644 |
13 |
| Rockley Photonics Limited | 334 |
13 |
| The Government of the United States of America, as represented by the Secretary of the Navy | 1292 |
12 |
| Apple Inc. | 54610 |
11 |
| Samsung Electronics Co., Ltd. | 145025 |
10 |
| Acorn Semi, LLC | 45 |
10 |
| Glas Trust Company LLC | 288 |
10 |
| GM Global Technology Operations LLC | 14937 |
8 |
| Electronics and Telecommunications Research Institute | 9365 |
8 |
| Sony Corporation | 31107 |
7 |
| The Regents of the University of California | 19857 |
7 |
| Microsoft Technology Licensing, LLC | 53607 |
7 |
| Lumentum Operations LLC | 728 |
7 |
| International Business Machines Corporation | 61185 |
6 |
| Other owners | 365 |