- 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: 636
10-year publication summary
|
52
|
62
|
76
|
54
|
58
|
58
|
36
|
51
|
42
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Telegraph and Telephone Corporation | 15996 |
30 |
| Huawei Technologies Co., Ltd. | 120453 |
19 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11013 |
16 |
| Sumitomo Electric Industries, Ltd. | 16113 |
15 |
| II-VI Delaware, Inc. | 1622 |
15 |
| Oracle International Corporation | 13463 |
14 |
| The Furukawa Electric Co., Ltd. | 3701 |
14 |
| Rockley Photonics Limited | 330 |
13 |
| The Government of the United States of America, as represented by the Secretary of the Navy | 1423 |
12 |
| Apple Inc. | 58122 |
11 |
| Acorn Semi, LLC | 50 |
10 |
| Glas Trust Company LLC | 286 |
10 |
| Ntt, Inc. | 3532 |
10 |
| Samsung Electronics Co., Ltd. | 154120 |
9 |
| Lumentum Operations LLC | 917 |
9 |
| The Regents of the University of California | 20556 |
8 |
| GM Global Technology Operations LLC | 15848 |
8 |
| Electronics and Telecommunications Research Institute | 9520 |
8 |
| Sony Corporation | 30388 |
7 |
| Microsoft Technology Licensing, LLC | 54241 |
7 |
| Other owners | 391 |