- 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 5/227 - Buried mesa structure
Patent holdings for IPC class H01S 5/227
Total number of patents in this class: 438
10-year publication summary
|
35
|
36
|
32
|
30
|
47
|
39
|
41
|
39
|
31
|
13
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 47971 |
52 |
| The Furukawa Electric Co., Ltd. | 3701 |
42 |
| Sumitomo Electric Industries, Ltd. | 16305 |
37 |
| Lumentumradiant GmbH | 179 |
29 |
| Kyocera Sld Laser, Inc. | 304 |
24 |
| Sumitomo Electric Device Innovations, Inc. | 471 |
15 |
| Nippon Telegraph and Telephone Corporation | 15922 |
11 |
| Hamamatsu Photonics K.K. | 4669 |
10 |
| National Research Council of Canada | 1551 |
9 |
| Acorn Semi, LLC | 50 |
9 |
| Alpes Lasers SA | 17 |
8 |
| International Business Machines Corporation | 62621 |
7 |
| Fujitsu Limited | 16862 |
7 |
| OSRAM OLED GmbH | 1392 |
6 |
| Massachusetts Institute of Technology | 10239 |
5 |
| University of Central Florida Research Foundation, Inc. | 1249 |
5 |
| Silanna UV Technologies Pte Ltd | 123 |
5 |
| Semtech Photonics Corporation | 6 |
5 |
| Toshiba Corporation | 12548 |
4 |
| STMicroelectronics (Crolles 2) SAS | 630 |
4 |
| Other owners | 144 |