- 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: 4639
10-year publication summary
|
374
|
374
|
413
|
425
|
465
|
401
|
398
|
368
|
377
|
197
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nichia Corporation | 3763 |
311 |
| OSRAM Opto Semiconductors GmbH | 3287 |
222 |
| Samsung Electronics Co., Ltd. | 148649 |
154 |
| Samsung Display Co., Ltd. | 35888 |
150 |
| Lumileds Singapore Pte. Ltd. | 1264 |
124 |
| OSRAM OLED GmbH | 1765 |
117 |
| Seoul Semiconductor Co., Ltd. | 1077 |
95 |
| Seoul Viosys Co., Ltd. | 1484 |
86 |
| LG Innotek Co., Ltd. | 7881 |
85 |
| Creeled, Inc. | 946 |
84 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1362 |
84 |
| Boe Technology Group Co., Ltd. | 41695 |
83 |
| Innolux Corporation | 3393 |
82 |
| Jade Bird Display (Shanghai) Limited | 370 |
74 |
| LG Electronics Inc. | 73619 |
57 |
| Epistar Corporation | 1478 |
56 |
| META Platforms Technologies, LLC | 6004 |
56 |
| LG Display Co., Ltd. | 13849 |
55 |
| Lumileds LLC | 725 |
47 |
| Ams-osram International GmbH | 1075 |
44 |
| Other owners | 2573 |