- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 33/52 - Encapsulations
Patent holdings for IPC class H01L 33/52
Total number of patents in this class: 2019
10-year publication summary
|
195
|
183
|
171
|
250
|
189
|
153
|
121
|
132
|
135
|
57
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nichia Corporation | 3777 |
194 |
| OSRAM Opto Semiconductors GmbH | 3287 |
122 |
| Samsung Electronics Co., Ltd. | 149087 |
75 |
| Samsung Display Co., Ltd. | 36265 |
67 |
| OSRAM OLED GmbH | 1765 |
57 |
| LG Innotek Co., Ltd. | 7924 |
53 |
| Lumileds Singapore Pte. Ltd. | 1264 |
39 |
| Seoul Semiconductor Co., Ltd. | 1073 |
38 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1344 |
30 |
| Innolux Corporation | 3409 |
29 |
| Creeled, Inc. | 947 |
29 |
| LG Electronics Inc. | 73772 |
25 |
| Epistar Corporation | 1478 |
25 |
| Rohm Co., Ltd. | 6560 |
24 |
| Seoul Viosys Co., Ltd. | 1489 |
23 |
| Ams-osram International GmbH | 1117 |
23 |
| Boe Technology Group Co., Ltd. | 41781 |
22 |
| LG Display Co., Ltd. | 13872 |
21 |
| Nitto Denko Corporation | 8355 |
21 |
| Lextar Electronics Corporation | 401 |
18 |
| Other owners | 1084 |