- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 33/46 - Reflective coating, e.g. dielectric Bragg reflector
Patent holdings for IPC class H01L 33/46
Total number of patents in this class: 2312
10-year publication summary
|
243
|
230
|
229
|
203
|
196
|
168
|
156
|
141
|
86
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| OSRAM Opto Semiconductors GmbH | 3239 |
157 |
| Ennostar Corporation | 1577 |
156 |
| Nichia Corporation | 3886 |
136 |
| Seoul Viosys Co., Ltd. | 1568 |
126 |
| Samsung Electronics Co., Ltd. | 158605 |
124 |
| Lumileds Singapore Pte. Ltd. | 1262 |
97 |
| OSRAM OLED GmbH | 1390 |
77 |
| Ams-osram International GmbH | 1676 |
68 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1241 |
62 |
| Creeled, Inc. | 972 |
60 |
| Hue Inc. | 235 |
47 |
| Lumileds LLC | 789 |
44 |
| Seoul Semiconductor Co., Ltd. | 1058 |
37 |
| Samsung Display Co., Ltd. | 38914 |
34 |
| Toyoda Gosei Co., Ltd. | 1859 |
33 |
| META Platforms Technologies, LLC | 6506 |
33 |
| Xiamen San'an Optoelectronics Co., Ltd. | 322 |
31 |
| Boe Technology Group Co., Ltd. | 44484 |
26 |
| Rohm Co., Ltd. | 6885 |
24 |
| Innolux Corporation | 3599 |
24 |
| Other owners | 916 |