- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 33/40 - Materials therefor
Patent holdings for IPC class H01L 33/40
Total number of patents in this class: 2365
10-year publication summary
|
225
|
252
|
269
|
218
|
172
|
125
|
138
|
128
|
57
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seoul Viosys Co., Ltd. | 1563 |
172 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1249 |
139 |
| Samsung Electronics Co., Ltd. | 158156 |
135 |
| Ennostar Corporation | 1577 |
134 |
| Nichia Corporation | 3876 |
112 |
| OSRAM Opto Semiconductors GmbH | 3243 |
107 |
| Samsung Display Co., Ltd. | 38721 |
87 |
| OSRAM OLED GmbH | 1392 |
73 |
| Micron Technology, Inc. | 27709 |
50 |
| Ams-osram International GmbH | 1660 |
50 |
| Quanzhou Sanan Semiconductor Technology Co., Ltd | 252 |
43 |
| Sensor Electronic Technology, Inc. | 465 |
41 |
| Lumileds Singapore Pte. Ltd. | 1264 |
38 |
| Creeled, Inc. | 972 |
37 |
| LG Innotek Co., Ltd. | 8495 |
29 |
| LG Electronics Inc. | 75845 |
28 |
| LG Display Co., Ltd. | 14966 |
28 |
| Toyoda Gosei Co., Ltd. | 1859 |
25 |
| Seoul Semiconductor Co., Ltd. | 1056 |
25 |
| Dowa Electronics Materials Co., Ltd. | 636 |
24 |
| Other owners | 988 |