- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 29/18 - Selenium or tellurium only, apart from doping materials or other impurities
Patent holdings for IPC class H01L 29/18
Total number of patents in this class: 576
10-year publication summary
|
51
|
30
|
31
|
18
|
24
|
13
|
6
|
9
|
10
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Display Co., Ltd. | 32942 |
63 |
| Samsung Electronics Co., Ltd. | 139551 |
27 |
| Nichia Corporation | 3562 |
23 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1531 |
22 |
| Epistar Corporation | 1488 |
21 |
| JDI Design and Development G.K. | 1177 |
18 |
| OSRAM OLED GmbH | 1797 |
15 |
| Creeled, Inc. | 783 |
15 |
| LG Display Co., Ltd. | 12932 |
14 |
| Apple Inc. | 52932 |
12 |
| Semiconductor Energy Laboratory Co., Ltd. | 11109 |
11 |
| Seoul Viosys Co., Ltd. | 1443 |
10 |
| Au Optronics Corporation | 3598 |
9 |
| Japan Display Inc. | 6813 |
9 |
| Boe Technology Group Co., Ltd. | 39086 |
9 |
| Stanley Electric Co., Ltd. | 1176 |
9 |
| Seiko Epson Corporation | 19020 |
8 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 40717 |
8 |
| Quarkstar LLC | 218 |
7 |
| LG Electronics Inc. | 71185 |
6 |
| Other owners | 260 |