- 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: 2202
10-year publication summary
|
193
|
221
|
243
|
232
|
229
|
205
|
196
|
172
|
191
|
54
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| OSRAM Opto Semiconductors GmbH | 3390 |
162 |
| Nichia Corporation | 3394 |
138 |
| Epistar Corporation | 1553 |
134 |
| Lumileds LLC | 1827 |
134 |
| Seoul Viosys Co., Ltd. | 1359 |
121 |
| Samsung Electronics Co., Ltd. | 131630 |
111 |
| OSRAM OLED GmbH | 1841 |
111 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1710 |
75 |
| Creeled, Inc. | 748 |
52 |
| Seoul Semiconductor Co., Ltd. | 1073 |
37 |
| META Platforms Technologies, LLC | 4806 |
34 |
| Xiamen San'an Optoelectronics Co., Ltd. | 245 |
32 |
| Samsung Display Co., Ltd. | 30585 |
31 |
| Toyoda Gosei Co., Ltd. | 1746 |
29 |
| Rohm Co., Ltd. | 5843 |
25 |
| Lumens Co., Ltd. | 283 |
25 |
| Jade Bird Display (Shanghai) Limited | 136 |
25 |
| Koninklijke Philips N.V. | 22975 |
23 |
| Innolux Corporation | 3151 |
23 |
| Koninklijke Philips Electronics N.V. | 13133 |
22 |
| Other owners | 858 |