- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 21/266 - Bombardment with wave or particle radiation with high-energy radiation producing ion implantation using masks
Patent holdings for IPC class H01L 21/266
Total number of patents in this class: 1578
10-year publication summary
|
191
|
187
|
184
|
211
|
133
|
102
|
96
|
98
|
83
|
74
|
| 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 |
249 |
| Texas Instruments Incorporated | 19455 |
92 |
| Fuji Electric Co., Ltd. | 5194 |
67 |
| Infineon Technologies AG | 8250 |
51 |
| Renesas Electronics Corporation | 5987 |
42 |
| Semiconductor Manufacturing International (Shanghai) Corporation | 1761 |
39 |
| Varian Semiconductor Equipment Associates, Inc. | 1231 |
38 |
| International Business Machines Corporation | 61433 |
36 |
| United Microelectronics Corp. | 4244 |
36 |
| Semiconductor Manufacturing International (Beijing) Corporation | 1033 |
31 |
| Samsung Electronics Co., Ltd. | 147501 |
30 |
| Infineon Technologies Austria AG | 2166 |
30 |
| Mitsubishi Electric Corporation | 46397 |
25 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10941 |
25 |
| GLOBALFOUNDRIES U.S. Inc. | 6420 |
25 |
| Boe Technology Group Co., Ltd. | 41495 |
18 |
| Semiconductor Components Industries, L.L.C. | 5269 |
17 |
| Csmc Technologies Fab2 Co., Ltd. | 716 |
17 |
| Applied Materials, Inc. | 18861 |
16 |
| Vanguard International Semiconductor Corporation | 472 |
16 |
| Other owners | 678 |