- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 33/44 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by the coatings, e.g. passivation layer or anti-reflective coating
Patent holdings for IPC class H01L 33/44
Total number of patents in this class: 3508
10-year publication summary
|
275
|
325
|
350
|
312
|
270
|
293
|
286
|
291
|
113
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Display Co., Ltd. | 37127 |
301 |
| OSRAM Opto Semiconductors GmbH | 3279 |
246 |
| Nichia Corporation | 3791 |
170 |
| Samsung Electronics Co., Ltd. | 151017 |
163 |
| Seoul Viosys Co., Ltd. | 1505 |
162 |
| OSRAM OLED GmbH | 1759 |
133 |
| Epistar Corporation | 1479 |
123 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1317 |
116 |
| LG Electronics Inc. | 74262 |
81 |
| Lumileds Singapore Pte. Ltd. | 1263 |
60 |
| Creeled, Inc. | 957 |
54 |
| Apple Inc. | 56891 |
53 |
| LG Display Co., Ltd. | 14035 |
49 |
| Innolux Corporation | 3466 |
48 |
| Boe Technology Group Co., Ltd. | 42421 |
48 |
| Lumileds LLC | 740 |
46 |
| Ams-osram International GmbH | 1158 |
46 |
| Seoul Semiconductor Co., Ltd. | 1070 |
33 |
| PlayNitride Display Co., Ltd. | 336 |
31 |
| Micron Technology, Inc. | 27174 |
29 |
| Other owners | 1516 |