- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 33/58 - Optical field-shaping elements
Patent holdings for IPC class H01L 33/58
Total number of patents in this class: 4593
10-year publication summary
|
374
|
413
|
425
|
465
|
398
|
391
|
348
|
369
|
197
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nichia Corporation | 3796 |
310 |
| OSRAM Opto Semiconductors GmbH | 3277 |
218 |
| Samsung Electronics Co., Ltd. | 151485 |
150 |
| Samsung Display Co., Ltd. | 37252 |
146 |
| Lumileds Singapore Pte. Ltd. | 1263 |
123 |
| OSRAM OLED GmbH | 1757 |
117 |
| Seoul Semiconductor Co., Ltd. | 1071 |
93 |
| Seoul Viosys Co., Ltd. | 1510 |
86 |
| LG Innotek Co., Ltd. | 8037 |
84 |
| Creeled, Inc. | 958 |
84 |
| Boe Technology Group Co., Ltd. | 42489 |
83 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1311 |
82 |
| Innolux Corporation | 3480 |
79 |
| Jade Bird Display (Shanghai) Limited | 393 |
73 |
| LG Electronics Inc. | 74388 |
56 |
| META Platforms Technologies, LLC | 6176 |
56 |
| LG Display Co., Ltd. | 14085 |
55 |
| Epistar Corporation | 1482 |
55 |
| Lumileds LLC | 742 |
47 |
| Ams-osram International GmbH | 1168 |
44 |
| Other owners | 2552 |