- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 33/10 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by the semiconductor bodies with a light reflecting structure, e.g. semiconductor Bragg reflector
Patent holdings for IPC class H01L 33/10
Total number of patents in this class: 1538
10-year publication summary
|
113
|
105
|
106
|
129
|
163
|
151
|
124
|
181
|
156
|
46
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Epistar Corporation | 1553 |
94 |
| Seoul Viosys Co., Ltd. | 1359 |
94 |
| Samsung Electronics Co., Ltd. | 131630 |
75 |
| Nichia Corporation | 3394 |
63 |
| LG Innotek Co., Ltd. | 6758 |
51 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1710 |
45 |
| OSRAM Opto Semiconductors GmbH | 3390 |
42 |
| Lumileds LLC | 1827 |
41 |
| META Platforms Technologies, LLC | 4806 |
34 |
| Sensor Electronic Technology, Inc. | 471 |
32 |
| Samsung Display Co., Ltd. | 30585 |
31 |
| Rohm Co., Ltd. | 5843 |
24 |
| OSRAM OLED GmbH | 1841 |
22 |
| Quanzhou Sanan Semiconductor Technology Co., Ltd | 202 |
22 |
| Semicon Light Co., Ltd. | 61 |
21 |
| Jade Bird Display (Shanghai) Limited | 136 |
21 |
| Dowa Electronics Materials Co., Ltd. | 610 |
19 |
| Xiamen San'an Optoelectronics Co., Ltd. | 245 |
19 |
| Silanna UV Technologies Pte Ltd | 83 |
17 |
| Aledia | 303 |
16 |
| Other owners | 755 |