- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 21/26 - Bombardment with wave or particle radiation
Patent holdings for IPC class H01L 21/26
Total number of patents in this class: 469
10-year publication summary
|
30
|
21
|
33
|
30
|
32
|
21
|
18
|
14
|
10
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Screen Holdings Co., Ltd. | 2650 |
38 |
| Applied Materials, Inc. | 17808 |
32 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 40717 |
28 |
| Tokyo Electron Limited | 12158 |
27 |
| Shin-Etsu Handotai Co., Ltd. | 1289 |
14 |
| Varian Semiconductor Equipment Associates, Inc. | 1247 |
13 |
| Samsung Electronics Co., Ltd. | 139551 |
11 |
| Infineon Technologies AG | 8138 |
11 |
| Fuji Electric Co., Ltd. | 4991 |
11 |
| Semiconductor Energy Laboratory Co., Ltd. | 11109 |
9 |
| Ushio Denki Kabushiki Kaisha | 1149 |
9 |
| Micron Technology, Inc. | 25874 |
8 |
| International Business Machines Corporation | 60224 |
7 |
| Canon Anelva Corporation | 682 |
7 |
| Kokusai Electric Corporation | 1914 |
7 |
| Sumco Corporation | 1122 |
6 |
| Lam Research Corporation | 5022 |
5 |
| Globalwafers Japan Co., Ltd. | 65 |
5 |
| Samsung Display Co., Ltd. | 32942 |
4 |
| Novellus Systems, Inc. | 507 |
4 |
| Other owners | 213 |