- 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: 1968
10-year publication summary
|
183
|
171
|
250
|
189
|
153
|
117
|
113
|
123
|
57
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nichia Corporation | 3884 |
198 |
| OSRAM Opto Semiconductors GmbH | 3240 |
119 |
| Samsung Electronics Co., Ltd. | 158442 |
74 |
| Samsung Display Co., Ltd. | 38817 |
60 |
| LG Innotek Co., Ltd. | 8517 |
52 |
| OSRAM OLED GmbH | 1390 |
45 |
| Ennostar Corporation | 1578 |
40 |
| Seoul Semiconductor Co., Ltd. | 1057 |
38 |
| Lumileds Singapore Pte. Ltd. | 1263 |
37 |
| Ams-osram International GmbH | 1671 |
31 |
| Creeled, Inc. | 971 |
30 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1242 |
30 |
| Innolux Corporation | 3595 |
27 |
| LG Electronics Inc. | 75855 |
24 |
| Rohm Co., Ltd. | 6877 |
23 |
| Seoul Viosys Co., Ltd. | 1565 |
23 |
| LG Display Co., Ltd. | 15013 |
21 |
| Nitto Denko Corporation | 8558 |
21 |
| Boe Technology Group Co., Ltd. | 44409 |
21 |
| Apple Inc. | 59027 |
17 |
| Other owners | 1037 |