- 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 5/323 - Structure or shape of the active regionMaterials used for the active region comprising PN junctions, e.g. hetero- or double- hetero-structures in AIIIBV compounds, e.g. AlGaAs-laser
Patent holdings for IPC class H01S 5/323
Total number of patents in this class: 785
10-year publication summary
|
57
|
63
|
66
|
73
|
76
|
55
|
51
|
60
|
45
|
50
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kyocera Sld Laser, Inc. | 299 |
61 |
| OSRAM Opto Semiconductors GmbH | 3287 |
49 |
| OSRAM OLED GmbH | 1765 |
45 |
| Nichia Corporation | 3777 |
39 |
| Ams-osram International GmbH | 1117 |
37 |
| Sumitomo Electric Industries, Ltd. | 15780 |
22 |
| Panasonic Intellectual Property Management Co., Ltd. | 32457 |
19 |
| Mitsubishi Electric Corporation | 46926 |
18 |
| Sony Corporation | 30787 |
17 |
| Stanley Electric Co., Ltd. | 1301 |
14 |
| Nuvoton Technology Corporation Japan | 660 |
12 |
| International Business Machines Corporation | 61721 |
11 |
| Sony Group Corporation | 14537 |
11 |
| Panasonic Corporation | 19966 |
8 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 46161 |
8 |
| Nippon Telegraph and Telephone Corporation | 16320 |
8 |
| Blue Laser Fusion Inc. | 25 |
8 |
| II-VI Delaware, Inc. | 1649 |
7 |
| Samsung Electronics Co., Ltd. | 149087 |
6 |
| The Furukawa Electric Co., Ltd. | 3706 |
6 |
| Other owners | 379 |