- 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: 1998
10-year publication summary
|
183
|
171
|
250
|
189
|
153
|
119
|
120
|
131
|
57
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nichia Corporation | 3832 |
192 |
| OSRAM Opto Semiconductors GmbH | 3264 |
121 |
| Samsung Electronics Co., Ltd. | 153845 |
74 |
| Samsung Display Co., Ltd. | 37860 |
63 |
| OSRAM OLED GmbH | 1754 |
57 |
| LG Innotek Co., Ltd. | 8182 |
53 |
| Seoul Semiconductor Co., Ltd. | 1068 |
38 |
| Lumileds Singapore Pte. Ltd. | 1259 |
37 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1287 |
30 |
| Creeled, Inc. | 964 |
29 |
| Innolux Corporation | 3538 |
27 |
| LG Electronics Inc. | 74968 |
24 |
| Epistar Corporation | 1420 |
24 |
| Rohm Co., Ltd. | 6747 |
23 |
| Seoul Viosys Co., Ltd. | 1523 |
23 |
| Boe Technology Group Co., Ltd. | 42957 |
22 |
| LG Display Co., Ltd. | 14272 |
21 |
| Nitto Denko Corporation | 8465 |
21 |
| Ams-osram International GmbH | 1213 |
20 |
| Apple Inc. | 58074 |
17 |
| Other owners | 1082 |