- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 21/3105 - After-treatment
Patent holdings for IPC class H01L 21/3105
Total number of patents in this class: 3496
10-year publication summary
|
456
|
400
|
495
|
453
|
293
|
193
|
200
|
177
|
212
|
27
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Taiwan Semiconductor Manufacturing Company, Ltd. | 46661 |
896 |
| International Business Machines Corporation | 61969 |
174 |
| Applied Materials, Inc. | 19717 |
172 |
| Tokyo Electron Limited | 13410 |
117 |
| GLOBALFOUNDRIES U.S. Inc. | 6403 |
113 |
| Samsung Electronics Co., Ltd. | 151726 |
104 |
| United Microelectronics Corp. | 4398 |
88 |
| Resonac Corporation | 3115 |
67 |
| Semiconductor Manufacturing International (Shanghai) Corporation | 1743 |
63 |
| Lam Research Corporation | 5452 |
54 |
| Fujimi Incorporated | 768 |
51 |
| Renesas Electronics Corporation | 5884 |
49 |
| Micron Technology, Inc. | 27170 |
47 |
| Versum Materials US, LLC | 659 |
47 |
| Kioxia Corporation | 10534 |
44 |
| CMC Materials LLC | 246 |
40 |
| Canon Inc. | 41739 |
39 |
| Yangtze Memory Technologies Co., Ltd. | 3061 |
36 |
| Semiconductor Manufacturing International (Beijing) Corporation | 1034 |
35 |
| Adeia Semiconductor Solutions LLC | 757 |
34 |
| Other owners | 1226 |