- 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 5/32 - Structure or shape of the active regionMaterials used for the active region comprising PN junctions, e.g. hetero- or double- hetero-structures
Patent holdings for IPC class H01S 5/32
Total number of patents in this class: 691
10-year publication summary
|
52
|
70
|
66
|
62
|
61
|
42
|
47
|
30
|
22
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kyocera Sld Laser, Inc. | 302 |
108 |
| OSRAM OLED GmbH | 1755 |
27 |
| The Regents of the University of California | 20506 |
18 |
| OSRAM Opto Semiconductors GmbH | 3268 |
18 |
| Sony Corporation | 30440 |
15 |
| Mitsubishi Electric Corporation | 47556 |
14 |
| Sumitomo Electric Industries, Ltd. | 16071 |
13 |
| The Furukawa Electric Co., Ltd. | 3700 |
13 |
| Sensor Electronic Technology, Inc. | 465 |
13 |
| Ams-osram International GmbH | 1209 |
12 |
| Ricoh Company, Ltd. | 13306 |
10 |
| Acorn Semi, LLC | 50 |
10 |
| Nuvoton Technology Corporation Japan | 699 |
10 |
| International Business Machines Corporation | 62182 |
9 |
| Nichia Corporation | 3827 |
9 |
| Panasonic Intellectual Property Management Co., Ltd. | 33462 |
8 |
| Silanna UV Technologies Pte Ltd | 123 |
8 |
| Hitachi, Ltd. | 15881 |
7 |
| Infinera Corporation | 638 |
7 |
| Seoul Semiconductor Co., Ltd. | 1070 |
7 |
| Other owners | 355 |