- 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: 3324
10-year publication summary
|
260
|
273
|
278
|
327
|
350
|
312
|
276
|
320
|
307
|
97
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Display Co., Ltd. | 30585 |
266 |
| OSRAM Opto Semiconductors GmbH | 3390 |
254 |
| Nichia Corporation | 3394 |
174 |
| Seoul Viosys Co., Ltd. | 1359 |
161 |
| Samsung Electronics Co., Ltd. | 131630 |
155 |
| OSRAM OLED GmbH | 1841 |
135 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1710 |
133 |
| Epistar Corporation | 1553 |
129 |
| Lumileds LLC | 1827 |
100 |
| LG Electronics Inc. | 69257 |
67 |
| Apple Inc. | 50209 |
51 |
| Creeled, Inc. | 748 |
47 |
| Innolux Corporation | 3151 |
42 |
| LG Display Co., Ltd. | 11907 |
41 |
| PlayNitride Display Co., Ltd. | 273 |
32 |
| Boe Technology Group Co., Ltd. | 35384 |
31 |
| LG Innotek Co., Ltd. | 6758 |
30 |
| Seoul Semiconductor Co., Ltd. | 1073 |
30 |
| Micron Technology, Inc. | 24960 |
26 |
| Quanzhou Sanan Semiconductor Technology Co., Ltd | 202 |
26 |
| Other owners | 1394 |