- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 33/54 - Encapsulations having a particular shape
Patent holdings for IPC class H01L 33/54
Total number of patents in this class: 2846
10-year publication summary
|
320
|
321
|
310
|
334
|
323
|
267
|
246
|
172
|
161
|
54
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nichia Corporation | 3394 |
415 |
| OSRAM Opto Semiconductors GmbH | 3390 |
191 |
| OSRAM OLED GmbH | 1841 |
139 |
| Samsung Electronics Co., Ltd. | 131630 |
105 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1710 |
87 |
| Epistar Corporation | 1553 |
79 |
| Seoul Semiconductor Co., Ltd. | 1073 |
73 |
| Creeled, Inc. | 748 |
70 |
| Samsung Display Co., Ltd. | 30585 |
67 |
| Rohm Co., Ltd. | 5843 |
61 |
| Lumileds LLC | 1827 |
52 |
| LG Innotek Co., Ltd. | 6758 |
44 |
| Seoul Viosys Co., Ltd. | 1359 |
34 |
| LG Display Co., Ltd. | 11907 |
28 |
| Apple Inc. | 50209 |
25 |
| Bridgelux, Inc. | 351 |
25 |
| Lumens Co., Ltd. | 283 |
25 |
| Koninklijke Philips N.V. | 22975 |
24 |
| Innolux Corporation | 3151 |
24 |
| Cree, Inc. | 1157 |
24 |
| Other owners | 1254 |