- 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 5/223 - Buried stripe structure
Patent holdings for IPC class H01S 5/223
Total number of patents in this class: 131
10-year publication summary
|
6
|
12
|
9
|
13
|
11
|
8
|
8
|
18
|
7
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 45962 |
11 |
| OSRAM OLED GmbH | 1779 |
10 |
| OSRAM Opto Semiconductors GmbH | 3313 |
8 |
| Sony Corporation | 31093 |
6 |
| Nippon Telegraph and Telephone Corporation | 17275 |
6 |
| The Furukawa Electric Co., Ltd. | 3645 |
5 |
| MACOM Technology Solutions Holdings, Inc. | 821 |
5 |
| Corning Incorporated | 10252 |
4 |
| Lumentum Operations LLC | 729 |
4 |
| Sharp Fukuyama Laser Co., Ltd. | 181 |
4 |
| Sumitomo Electric Industries, Ltd. | 15428 |
3 |
| Rohm Co., Ltd. | 6428 |
3 |
| Hamamatsu Photonics K.K. | 4405 |
3 |
| GLOBALFOUNDRIES U.S. Inc. | 6430 |
3 |
| Lumentum Japan, Inc. | 228 |
3 |
| Ferdinand-Braun-Institut gGmbH, Leibniz- Institut für Höchstfrequenztechnik | 62 |
3 |
| Panasonic Corporation | 20136 |
2 |
| Intel Corporation | 46949 |
2 |
| Electronics and Telecommunications Research Institute | 9367 |
2 |
| Nichia Corporation | 3693 |
2 |
| Other owners | 42 |