- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 21/12 - Application of an electrode to the exposed surface of the selenium or tellurium after the selenium or tellurium has been applied to the foundation plate
Patent holdings for IPC class H01L 21/12
Total number of patents in this class: 73
10-year publication summary
|
8
|
2
|
4
|
4
|
6
|
6
|
4
|
3
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Boe Technology Group Co., Ltd. | 41461 |
8 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 43158 |
5 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8476 |
4 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1413 |
4 |
| Samsung Electronics Co., Ltd. | 147334 |
3 |
| Wuhan China Star Optoelectronics Technology Co., Ltd. | 4205 |
3 |
| Samsung Display Co., Ltd. | 35100 |
2 |
| Beijing BOE Optoelectronics Technology Co., Ltd. | 3888 |
2 |
| GLOBALFOUNDRIES U.S. Inc. | 6427 |
2 |
| Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | 3723 |
2 |
| TCL China Star Optoelectronics Technology Co., Ltd. | 2704 |
2 |
| OpenLight Photonics, Inc | 190 |
2 |
| Qualcomm Incorporated | 86153 |
1 |
| Semiconductor Energy Laboratory Co., Ltd. | 11471 |
1 |
| Industrial Technology Research Institute | 5082 |
1 |
| Infineon Technologies AG | 8247 |
1 |
| Cheil Industries Inc. | 849 |
1 |
| Olympus Corporation | 13153 |
1 |
| Advanced Micro Devices, Inc. | 5691 |
1 |
| ASML Netherlands B.V. | 7429 |
1 |
| Other owners | 26 |