- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 21/47 - Organic layers, e.g. photoresist
Patent holdings for IPC class H01L 21/47
Total number of patents in this class: 111
10-year publication summary
|
19
|
14
|
13
|
4
|
5
|
4
|
2
|
6
|
4
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Taiwan Semiconductor Manufacturing Company, Ltd. | 43258 |
12 |
| Semiconductor Energy Laboratory Co., Ltd. | 11475 |
5 |
| United Microelectronics Corp. | 4244 |
4 |
| Innolux Corporation | 3319 |
4 |
| Boe Technology Group Co., Ltd. | 41495 |
4 |
| Intel Corporation | 47143 |
3 |
| Applied Materials, Inc. | 18861 |
3 |
| Tokyo Electron Limited | 12877 |
3 |
| Samsung Electronics Co., Ltd. | 147501 |
2 |
| Samsung Display Co., Ltd. | 35171 |
2 |
| LG Display Co., Ltd. | 13816 |
2 |
| Merck Patent GmbH | 5824 |
2 |
| SK Hynix Inc. | 11469 |
2 |
| Samsung SDI Co., Ltd. | 8537 |
2 |
| Shin-Etsu Chemical Co., Ltd. | 5685 |
2 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8476 |
2 |
| National Taiwan University | 1233 |
2 |
| Beijing BOE Optoelectronics Technology Co., Ltd. | 3890 |
2 |
| Central Glass Company, Limited | 1271 |
2 |
| Flosfia Inc. | 237 |
2 |
| Other owners | 49 |