- 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: 437
10-year publication summary
|
21
|
33
|
30
|
32
|
22
|
17
|
15
|
11
|
15
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Screen Holdings Co., Ltd. | 3198 |
42 |
| Applied Materials, Inc. | 20514 |
31 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48629 |
30 |
| Tokyo Electron Limited | 13884 |
22 |
| Varian Semiconductor Equipment Associates, Inc. | 1180 |
13 |
| Ushio Denki Kabushiki Kaisha | 1209 |
13 |
| Shin-Etsu Handotai Co., Ltd. | 1307 |
12 |
| Fuji Electric Co., Ltd. | 5521 |
11 |
| Infineon Technologies AG | 8410 |
10 |
| Semiconductor Energy Laboratory Co., Ltd. | 11873 |
9 |
| Kokusai Electric Corporation | 2241 |
9 |
| Samsung Electronics Co., Ltd. | 158605 |
8 |
| Micron Technology, Inc. | 27666 |
6 |
| Canon Anelva Corporation | 684 |
6 |
| Globalwafers Japan Co., Ltd. | 71 |
6 |
| International Business Machines Corporation | 62754 |
5 |
| Samsung Display Co., Ltd. | 38914 |
4 |
| Novellus Systems, Inc. | 447 |
4 |
| Semiconductor Manufacturing International (Shanghai) Corporation | 1730 |
4 |
| Sumco Corporation | 1106 |
4 |
| Other owners | 188 |