- All sections
- H - Electricity
- H10H - Inorganic light-emitting semiconductor devices having potential barriers
- H10H 20/81 - Bodies
Patent holdings for IPC class H10H 20/81
Total number of patents in this class: 160
10-year publication summary
|
0
|
0
|
0
|
1
|
2
|
25
|
35
|
27
|
39
|
22
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nichia Corporation | 3872 |
16 |
| Hue Inc. | 228 |
15 |
| Samsung Display Co., Ltd. | 38570 |
13 |
| Ams-osram International GmbH | 1644 |
7 |
| Seoul Viosys Co., Ltd. | 1557 |
6 |
| Xiamen San'an Optoelectronics Co., Ltd. | 320 |
6 |
| Silanna UV Technologies Pte Ltd | 123 |
6 |
| Mitsubishi Chemical Corporation | 4721 |
3 |
| OSRAM Opto Semiconductors GmbH | 3248 |
3 |
| PlayNitride Display Co., Ltd. | 346 |
3 |
| Quanzhou Sanan Semiconductor Technology Co., Ltd | 252 |
3 |
| Sony Group Corporation | 15597 |
3 |
| Centre National de La Recherche Scientifique | 11016 |
2 |
| Innolux Corporation | 3618 |
2 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11127 |
2 |
| Korea Institute of Science and Technology | 2248 |
2 |
| Purdue Research Foundation | 3913 |
2 |
| Cambridge Enterprise Limited | 1243 |
2 |
| Enkris Semiconductor, Inc. | 404 |
2 |
| Mikro Mesa Technology Co., Ltd. | 107 |
2 |
| Other owners | 60 |