- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 21/46 - Treatment of semiconductor bodies using processes or apparatus not provided for in groups
Patent holdings for IPC class H01L 21/46
Total number of patents in this class: 628
10-year publication summary
|
47
|
35
|
24
|
16
|
14
|
6
|
6
|
3
|
7
|
4
|
| 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. | 42804 |
40 |
| Disco Corporation | 1860 |
40 |
| Soitec | 1016 |
31 |
| Semiconductor Energy Laboratory Co., Ltd. | 11416 |
30 |
| Shin-Etsu Handotai Co., Ltd. | 1284 |
19 |
| Samsung Electronics Co., Ltd. | 146346 |
16 |
| S.O.I.Tec Silicon on Insulator Technologies | 225 |
16 |
| Infineon Technologies AG | 8225 |
15 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10912 |
12 |
| Applied Materials, Inc. | 18658 |
11 |
| Sumco Corporation | 1114 |
11 |
| Micron Technology, Inc. | 26238 |
10 |
| Renesas Electronics Corporation | 6009 |
10 |
| International Business Machines Corporation | 61257 |
9 |
| Shin-Etsu Chemical Co., Ltd. | 5662 |
9 |
| GLOBALFOUNDRIES U.S. Inc. | 6432 |
9 |
| STATS ChipPAC Pte. Lte. | 1552 |
8 |
| Kioxia Corporation | 10293 |
7 |
| Semiconductor Components Industries, L.L.C. | 5249 |
6 |
| Texas Instruments Incorporated | 19460 |
5 |
| Other owners | 314 |