- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 21/42 - Bombardment with radiation
Patent holdings for IPC class H01L 21/42
Total number of patents in this class: 85
10-year publication summary
|
7
|
5
|
2
|
3
|
2
|
3
|
1
|
0
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Applied Materials, Inc. | 17779 |
7 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 40644 |
7 |
| Tokyo Electron Limited | 12127 |
4 |
| Micron Technology, Inc. | 25845 |
3 |
| Texas Instruments Incorporated | 19447 |
3 |
| Auburn University | 499 |
3 |
| Entegris, Inc. | 1824 |
3 |
| Samsung Electronics Co., Ltd. | 139302 |
2 |
| Samsung Display Co., Ltd. | 32868 |
2 |
| FUJIFILM Corporation | 28829 |
2 |
| Semiconductor Energy Laboratory Co., Ltd. | 11114 |
2 |
| Varian Semiconductor Equipment Associates, Inc. | 1250 |
2 |
| United Microelectronics Corp. | 4117 |
2 |
| Lam Research Corporation | 5008 |
2 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8482 |
2 |
| Fuji Electric Co., Ltd. | 4984 |
2 |
| Northwestern University | 3283 |
2 |
| GLOBALFOUNDRIES U.S. Inc. | 6435 |
2 |
| Jusung Engineering Co., Ltd. | 406 |
2 |
| ULVAC, Inc. | 1402 |
2 |
| Other owners | 29 |