- 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: 3582
10-year publication summary
|
273
|
275
|
325
|
350
|
312
|
276
|
317
|
310
|
303
|
109
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Display Co., Ltd. | 34907 |
318 |
| OSRAM Opto Semiconductors GmbH | 3311 |
252 |
| Nichia Corporation | 3713 |
171 |
| Samsung Electronics Co., Ltd. | 146811 |
170 |
| Seoul Viosys Co., Ltd. | 1472 |
167 |
| OSRAM OLED GmbH | 1776 |
134 |
| Epistar Corporation | 1489 |
125 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1415 |
116 |
| LG Electronics Inc. | 73344 |
82 |
| Lumileds Singapore Pte. Ltd. | 1275 |
60 |
| LG Display Co., Ltd. | 13596 |
54 |
| Apple Inc. | 55174 |
53 |
| Creeled, Inc. | 941 |
52 |
| Innolux Corporation | 3292 |
49 |
| Boe Technology Group Co., Ltd. | 41291 |
48 |
| Lumileds LLC | 705 |
46 |
| Ams-osram International GmbH | 1007 |
43 |
| Seoul Semiconductor Co., Ltd. | 1081 |
34 |
| PlayNitride Display Co., Ltd. | 314 |
32 |
| Xiamen San'an Optoelectronics Co., Ltd. | 293 |
30 |
| Other owners | 1546 |